Kapteyn Institute

Papers in Scientific Journals, Books

Ancker, M.E. van den, Thé, P.S., Tjin A Djie, H.R.E., Catala, C., de Winter, D., Blondel, P.F.C., Waters, L.B.F.M., Hipparcos Data on Herbig Ae/Be Stars: An Evolutionary Scenario, Astron. Astrophys. 324, L33-L36, 1997.

Afonso C., et al. (including Beaulieu, J.-P.) (EROS2 Collaboration), EROS 2 Intensive Observation of the Caustic Crossing of Microlensing Event MACHO SMC-98-1, Astron. Astrophys. 337, L17, 1998. 

Albrow, M., Beaulieu, J.-P., Birch, P., Caldwell, J.A.R., Kane, S., Martin, R., Menzies, J., Naber, R.M., Pel, J.-W., Pollard, K., Sackett, P.D., Sahu, K.C., Vreeswijk, P., Williams, A., Zwaan, M.A. (The PLANET Collaboration), The 1995 Pilot Microlensing Campaign of PLANET: Searching for Microlensing Anomalies through Precise, Rapid, Round-the-Clock Monitoring, Astrophys. J. 509, 687, 1998. 

Alcock, C. et al. (including Beaulieu, J.-P.), EROS & MACHO Collaborations, 1998 EROS and MACHO Combined Limits on Planetary Mass Dark Matter in the Galactic Halo, Astrophys. J. 499, L9, 1998. 

Alton, P.B., Trewhella, M., Davies, J.I., Evans, R., Bianchi, S., Gear, W., Thronson, H., Valentijn, E.A., and Witt, A., Resolved 200 µm Images of Nearby Galaxies - Evidence for an Extended Distribution of Cold Dust, Astron. Astrophys. 335, 807-822, 1998. 

Andredakis, Y.C., The Effects of a Disc Field on Bulge Surface Brightness, Mon. Not. Roy. Astron. Soc. 295, 725, 1998.

Bade, N., Beckmann, V., Douglas, N.G., Barthel, P.D., Engels, D., Cordis, L., Nass, P., and Voges, W., On the Evolutionary Behaviour of BL Lac Objects, Astron. Astrophys. 334, 459-472, 1998. 

Bakes, E.L.O., and Tielens, A.G.G.M., The Effects of Polycyclic Aromatic Hydrocarbons on the Chemistry of PhotoDissocation Regions, Astrophys. J. 499, 258, 1998.  

Baraffe, I., Alibert, Y., Méra, D., Chabrier, G., Beaulieu, J.-P., Cepheid Models Based on Self-Consistent Stellar Evolution and Pulsation Calculations: The Right Answer?, Astrophys. J. 499, L205, 1998. 

Beaulieu, J.-P., Cépheides: la Relation Période Luminosité (Partie II), Comptes rendus de l'académie des sciences Série IIb série le point sur 325, p. 749, 1998. 

Beaulieu, J.-P., and Sackett, P.D., Red Clump Morphology as Evidence Against a New Intervening Stellar Population as the Primary Source of Microlensing toward the LMC, Astron. J. 116, 209, 1998. 

Bemmel, I.M. van, Barthel, P.D., Nature of Far Infrared Emission in Quasars, Acta Cosmologica 23-2, p. 213, 1998. 

Bemmel, I.M. van, Barthel, P.D., and Yun, M.S., Nature of 60 µm Emission in 3C47, 3C207 and 3C334, Astron. Astrophys. 334, 799, 1998. 

Blaauw, A., Hunting for Planetary Systems beyond the Solar System; comments on a 1933 communication by E. Hertzsprung, Gems from a Century of Science 1898-1997,  Proc. Royal Netherlands Academy of Arts and Sciences 100, 143-144, 1998. 

Blaauw, A., Star Streaming Puzzles Preceding Modern Galactic Dynamics; comments on a 1912 communication by J.C. Kapteyn, Gems from a Century of Science 1898-1997,  Proc. Royal Netherlands Academy of Arts and Sciences 100, 163-165, 1998.

Blaauw, A., Features of the Cosmos; Which Model to Choose, and How Old?; comments on a 1932 communication by W. de Sitter, Gems from a Century of Science 1898-1997, Proc. Royal Netherlands Academy of Arts and Sciences 100, 301-303, 1998.

Blaauw, A., Viktor Amazaspovich Ambartsumian 18 September 1908 - 12 Augustus 1996, Levensberichten en herdenkingen 1998, Koninklijke Nederlandse Akademie van Wetenschappen, p. 7-11, 1998.

Blaauw, A., and Ramachandran, R., Local Pulsars: A Note on the Birth-Velocity Distribution, J. of Astrophys. and Astron. 19, 19-33, 1998. 

Blok, W.J.G. de, McGaugh, S.S., Testing Modified Newtonian Dynamics with Low Surface Brightness Galaxies: Rotation Curve Fits, Astrophys. J. 508, 132, 1998.

Blok, W.J.G. de, and Hulst, J.M. van der, Star Formation and the Interstellar Medium in Low Surface Brightness Galaxies. I. Oxygen Abundances and Abundance Gradients in Low Surface Brightness Disk Galaxies, Astron. Astrophys. 335, 421, 1998.

Blok, W.J.G. de, and Hulst, J.M. van der, Star Formation and the Interstellar Medium in Low Surface Brightness Galaxies. II. Deep CO Observations of Low Surface Brightness Galaxies, Astron. Astrophys. 336, 49, 1998.

Boer, K.S. de, Richter, P., Bomans, D.J., Heithausen, A., and Koornneef, J., ORFEUS II Echelle Spectra: Absorption by H2 in the LMC, Astron. Astrophys. 338, L5, 1998.

Boogert, A.C.A., Helmich, F.P., Dishoeck, E.F. van, Schutte, W.A., Tielens, A.G.G.M., and Whittet, D.C.B., The Gas/Solid Methane Abundance Ratio Toward Deeply Embedded Protostars, Astron. Astrophys. 336, 352-358, 1998.

Boogert, A.C.A., Schutte, W.A., Helmich, F.P., Tielens, A.G.G.M., Wooden, D.H., (Erratum) Infrared Observations and Laboratory Simulations of Interstellar CH4 and SO2, Astron. Astrophys. 333, 389, 1998.

Briggs, F.H., Cosmologically Distant OH Megamasers: A Test of the Galaxy Merging Rate at z ~ 2 and a Contaminant of Blind HI Surveys in the 21cm Line, Astron. Astrophys. 336, 815, 1998.

Ceccarelli, C., Castets, A., Loinard, L., Caux, E., Tielens, A.G.G.M., Detection of Doubly Deuterated Formaldehyde towards the Low-Luminosity Protostar IRAS 16293-2422, Astron. Astrophys. 338, L43, 1998.

Chiar, J.E., Gerakines, P.A., Whittet, D.C.B., Pendleton, Y.J., Tielens, A.G.G.M., Adamson, A.J., Boogert, A.C.A., Processing of Icy Mantles in Protostellar Envelopes, Astrophys. J. 498, 716, 1998.

Chiar, J.E., Pendleton, Y.J., Geballe, T.R., Tielens, A.G.G.M., Near-Infrared Spectroscopy of the Proto-Planetary Nebula CRL 618 and the Origin of the Hydrocarbon Dust Component in the Interstellar Medium, Astrophys. J. 507-1, 281-286, 1998.

Clark, J.S., Fender, R.P., Waters, L.B.F.M., Dougherty, S.M., Koornneef, J., Steele, I.A., Blokland, A. van, Discovery of Extended Radio Emission in the Young Cluster Wd1, Mon. Not. Roy. Astron. Soc. 299, 43, 1998.

Coustenis, A., Salama, A., Lellouch, E., Encrenaz, Th., Bjoraker, G.L., Samuelson, R.E., Graauw, Th. de, Feuchtgruber, H., Kessler, M.F., Evidence for Water Vapor in Titan's Atmosphere from ISO/SWS Data, Astron. Astrophys. 336, L85-L89, 1998.

Cox, P., Boulanger, F., Huggins, P.J., Tielens, A.G.G.M., Forveille, T., Bachiller, R., Cesarsky, D., Jones, A.P., Young, K., Roelfsema, P.R., Cernicharo, J., Infrared Imaging and Spectroscopy of the Helix with ISOCAM, Astrophys. J. 495, L23, 1998.

Dartois, E., Cox, P., Roelfsema, P.R., Jones, A.P., Tielens, A.G.G.M., D'Hendecourt, L., Jourdain de Muizon, M., Schmitt, B., Lim, T., Swinyard, B., Heras, A.M., Detection of the "44 µm'' Band of Water Ice in Absorption in Combined ISO SWS-LWS Spectra, Astron. Astrophys. 338, L21, 1998.

Dishoeck, E.F. van, Wright, C.M., Cernicharo, J., González-Alfonso, E., Graauw, Th. de, Helmich, F.P., Vandenbussche, B., The ISO-SWS 2.4-45.2 Micron Spectrum toward Orion IR c2, Astrophys. J. 502, L173-176, 1998.

Dokkum, P.G. van, Franx, M., Kelson, D.D., Illingworth, G.D., Fisher, D., and Fabricant, D., The Color-Magnitude Relation in CL 1358+62 at z = 0:33: Evidence for Significant Evolution in the S0 Population, Astrophys. J. 500, 714, 1998.

Dokkum, P.G. van, Franx, M., Kelson, D.D., and Illingworth, G.D., Luminosity Evolution of Early-Type Galaxies to z = 0.83: Constraints on Formation Epoch and Omega, Astrophys. J. 504, L17, 1998.

Dominik, M., Galactic Microlensing beyond the Standard Model, Publ. of the Astron. Soc. of the Pacific Vol. 110, p. 757, 1998.

Douglas, N.G., Heterodyned Holographic Spectroscopy, Publ. of the Astron. Soc. of the Pacific Vol. 109, p. 151-165, 1997 (this publication was included in the wrong section in the Annual Report 1997).

Ehrenfreund, P., Boogert, A.C.A., Gerakines, P., Tielens, A.G.G.M., Apolar Ices, Faraday Discussion No. 109, The Royal Society of Chemistry, London, p. 463-475, 1998.

Encrenaz, Th., Feuchtgruber, H., Atreya, S.K., Bézard, B, Lellouch, E., Bishop, J., Edgington, S., Graauw, Th. de, Griffin, M., Kessler, M.F., ISO Observations of Uranus: The Stratospheric Distribution of C2H2 and the Eddy Diffusion Coefficient, Astron. Astrophys. 333, L43-L46, 1998.

Feuchtgruber, H., et al. (including Valentijn, E.A., Graauw, Th. de, Roelfsema, P.R.), New Wavelength Determinations of Mid-Infrared Fine-Structure Lines by the Infrared Space Observatory Short-Wavelength Spectrometer, Astrophys. J. 487, 962, 1998.

Fisher, D., Fabricant, D., Franx, M., and Dokkum, P. van, A Spectroscopic Survey of the Galaxy Cluster CL 1358+62 at z = 0.328, Astrophys. J. 498, 195, 1998.

Fox, D., Guerriero, R., Lewin, W., Rutledge, R., Moore, C., van der Klis, M., van Paradijs, J. Outburst of MXB 1730-335, The Astronomer's Telegram #9, 1998.

Galama, T.J., Wijers, R.A.M.J., Bremer, M., Groot, P.J., Strom, A.G., Bruyn, A.G. de, Kouveliotou, C., Robinson, C.R., The 1.4 GHz Light Curve of GRB 970508, Astrophys. J. 500, L101, 1998.

Gaudi, S., Naber, R.M., and Sackett, P.D., Microlensing by Multiple Planets in High Magnification Events, Astrophys. J. 502, L33-37, 1998.

Grijs, R. de, The Global Structure of Galactic Discs, Mon. Not. Roy. Astron. Soc. 299, 595, 1998.

Groot, P.J. et al. (including Kuijken, K.), A Search for Optical Afterglow from GRB970828, Astrophys. J. 493, L27, 1998.

Guerriero, R., Fox, D., Lewin, W., Rutledge, R., Moore, C., van der Klis, M., van Paradijs, J., MXB 1730-335, IAU Circ. 6815 (Edited by Green, D.W.E.) 2, 1998

Hoekstra, H., Franx, M., Kuijken, K. and Squires, G., Weak Lensing Analysis of CL1358+62 using Hubble Space Telescope Observations, Astrophys. J. 504, 636-660, 1998.

Hunter, D.A., Wilcots, E.M., Woerden, H. van, Gallagher, J.S., Kohle, S., The Nature of the Extended HI Gas Around NGC 4449: The Dr. Jekyll/Mr. Hyde of Irregular Galaxies, Astrophys. J. 495, L47-50, 1998.

Ibata, R., Rodrigo, A., Lewis, G., Geraint, F., and Beaulieu, J.-P., Reexamination of the Possible Tidal Stream in Front of the Large Magellanic Cloud, Astrophys. J. 509, L29, 1998.

Jackson, N., Helbig, P., Browne, I.W.A., Fassnacht, C.D., Koopmans, L.V.E., Marlow, D.R., Wilkinson, P.N., Astron. Astrophys. 334, L33, 1998.

Jackson, N.J., Nair, S., Browne, I.W.A., Wilkinson, P.N., Muxlow, T.W.B., Bruyn, A.G. de, Koopmans, L., Bremer, M.N., Snellen, I., Miley, G.K., Schilizzi, R.T., Myers, S.T., Fassnacht, C.D., Womble, D.S., Readhead, A.C.S., Blandford, R.D. Pearson, T.J., B0712+472: A New Radio Four-Image Gravitational Lens, Mon. Not. Roy. Astron. Soc. 296, 483, 1998.

Johansson, L.E.B., Greve, A., Booth, R.S., Boulanger, F., Garay, G., Graauw, Th. de, Israel, F.P., Kutner, M.L. Murphy, D.C., Nyman, L.A., Rubio, M., Results of the SEST Key Programme: CO in the Magellanic Clouds. VII. 30 Doradus and its Southern HII Regions, Astron. Astrophys. 331, 857-872, 1998.

Justtanont, K., Feuchtgruber, H., de Jong, T., Cami, J., Waters, L.B.F.M., Yamamura, I., Onaka, T., Discovery of CO2 Emission in AGB Stars with the 13 µm Dust Feature, Astron. Astrophys. 330, L17-L20, 1998.

Kaufman, M.J., Hollenbach, D.J., Tielens, A.G.G.M., High Temperature Molecular Cloud Cores near Massive Stars and Application to the Orion Hot Core, Astrophys. J. 497, 276, 1998.

King, L.J., Jackson, N.J., Blandfor, R.D., Bremer, M.N., Browne, I.W.A., Bruyn, A.G. de, Fassnacht, C., Koopmans, L.V.E., Marlow, D., Wilkinson, P.N., A Complete Einstein Ring in the Gravitational Lens System B1938+666, Mon. Not. Roy. Astron. Soc. 295, L41, 1998.

Kollŕth, Z., and Beaulieu, J.-P., A mikrolencse programok néhŕny vŕltozócsillagŕ szati eredménye, in: Meteor csillagŕszati évkonyv, Magyar csillagászati Egyesulet, Budapest, p. 167, 1998.

Kollŕth, Z., Beaulieu, J.-P., Yecko, P., Buchler, R., Beat Cepheids Non Linear Models, Astrophys. J. 502, L55, 1998.

Koopmans, L.V.E., Bruyn, A.G. de, Jackson, N., The Edge-On Spiral Gravitational Lens B1600+434, Mon. Not. Roy. Astron. Soc. 295, 534, 1998.

Koornneef, J., and Pottasch, S.R., HST Photometry of the Stars Near the Center of PN NGC 650, Astron. Astrophys. 335, 277, 1998.

Lane, W.M., Smette, A., Briggs, F.H., Rao, A.P., Turnshek, D.A., and Meylan, G., HI 21cm Absorption in Two Low Redshift Damped Ly-alpha Systems, Astron. J. 116, 26, 1998.

Laverny, P. de, et al. (including Beaulieu, J.-P.), Discovery of a Slow Nova in the SMC, Astron. Astrophys. 335, L93, 1998.

Lonsdale, C.J., Barthel, P.D., The Anatomy of a Radio Source Hot Spot: VLBA Imaging of 3C205, Astron. J. 115, 895, 1998.

Malfait, K., Waelkens, C., Waters, L.B.F.M., Vandenbussche, B., Huygen, E., Graauw, Th. de., The Spectrum of the Young Star HD 100546 Observed with the Infrared Space Observatory, Astron. Astrophys. 332, L25-L28, 1998.

Marchenko, S.V., Moffat, A.F.J., Hucht, K.A. van der, Seggewiss, W., Schrijver, H., Stenholm, B., Lundstrom, I., Setia Gunawan, D.Y.A., Sutantyo, W., van den Heuvel, E.P.J., De Cuyper, J.-P., Gomez, A.E., Wolf-Rayet stars and O-star runaways with HIPPARCOS. II. Photometry, Astron. Astrophys. 331, 1022, 1998.

McGaugh, S.S., and Blok, W.J.G. de, Testing the Dark Matter Hypothesis with Low Surface Brightness Galaxies and Other Evidence, Astrophys. J. 499, 41, 1998.

McGaugh, S.S., and Blok, W.J.G. de, Testing the Hypothesis of Modified Dynamics with Low Surface Brightness Galaxies and Other Evidence, Astrophys. J. 499, 66, 1998.

Merrifield, M.R., and Kuijken, K., Measuring Galaxy Potentials Using Shell Kinematics, Mon. Not. Roy. Astron. Soc. 297, 1292, 1998.

Moffat, A.F.J., Marchenko, S.V., Seggewiss, W., Hucht, K.A. van der, Schrijver, H., Stenholm, B., Lundstrom, I., Setia Gunawan, D.Y.A., Sutantyo, W., van den Heuvel, E.P.J., De Cuyper, J.-P., Gomez, A.E., Wolf-Rayet stars and O-star runaways with HIPPARCOS. I. Kinematics, Astron. Astrophys. 331, 949, 1998.

Ostensen, R., Remy, M., Lindblad, P.O., Refsdal, S., Stabell, R., Surdej, J., Barthel, P.D., et al., ESO & NOT Photometric Monitoring of the Cloverleaf Quasar, Astron. Astrophys. Suppl. Ser. 126, 393, 1998.

Palanque-Delabrouille, N., et al. (including Beaulieu, J.-P.), Microlensing towards the Small Magellanic Cloud. EROS 2 first year Survey, Astron. Astrophys. 332, 1, 1998.

Peletier, R.F., Grijs, R. de, The Scatter in the Near-Infrared Colour-Magnitude Relation in Spiral Galaxies, Mon. Not. Roy. Astron. Soc. 300, L3, 1998.

Pottasch, S.R., Acker, A., A Comparison of Hipparcos Parallaxes with Planetary Nebulae Spectroscopic Distances, Astron. Astrophys. 329, 5, 1998.

Rutledge, R., Moore, C., Fox, D., Lewin, W., van Paradijs, J., Possible Radio Counterpart of MXB 1730-335, The Astronomer's Telegram #8, 1998.

Rutledge, R., Moore, C., Fox, D., Lewin, W., van Paradijs, J., MXB 1730-335, IAU Circ. 6813 (Edited by Green, D.W.E.) 2, 1998.

Sanders, R.H., The Circumnuclear Material in the Galactic Centre: A Clue to the Accretion Process, Mon. Not. Roy. Astron. Soc. 294, 35, 1998.

Sanders, R.H., Cosmology with Modified Newtonian Dynamics (MOND), Mon. Not. Roy. Astron. Soc. 296, 1009, 1998.

Sanders, R.H., and Verheijen, M.A.W., Rotation Curves of Ursa Major Galaxies in the Context of Modified Newtonian Dynamics, Astrophys. J. 503, 97, 1998.

Schoenmakers, A.P., Mack, K.-H., Lara, L., Röttgering, H.J.A., Bruyn, A.G. de, van der Laan, H., Giovannini, G., WNB 0313+683: Analysis of a Newly Discovered Giant Radio Galaxy, Astron. Astrophys. 336, 455, 1998.

Schutte, W.A., van der Hucht, K.A., Whittet, D.C.B., Boogert, A.C.A., Tielens, A.G.G.M., Morris, P.W., Greenberg, J.M., Williams, P.M., Dishoeck, E.F. van, Chiar, J.E., Graauw, Th. de, ISO-SWS Observations of Infrared Absorption Bands of the Diffuse Interstellar Medium: The 6.2 Micron Feature of Aromatic Compounds, Astron. Astrophys. 337, 261, 1998.

Sijbring, D., and Bruyn, A.G. de, Multifrequency Radio Continuum Observations of Head-Tail Galaxies in the Perseus Cluster, Astron. Astrophys. 331, 901, 1998.

Snellen, I.A.G., Schilizzi, R.T., Bremer, M.N., Bruyn, A.G. de, Miley, G.K., Röttgering, H.J.A., McMahon, R.G., Perez-Fournon, I., Optical and Near-Infrared Imaging of Faint GigaHertz Peaked Spectrum Sources, Mon. Not. Roy. Astron. Soc. 301, 985, 1998.

Snellen, I.A.G., Schilizzi, R.T., Bruyn, A.G. de, Miley, G.K., Deceleration of Relativistic Radio Components and the Morphologies of Gigahertz Peaked Spectrum Sources, Astron. Astrophys. 333, 70, 1998.

Snellen, I.A.G., Schilizzi, R.T., Bruyn, A.G. de, Miley, G.K., Rengelink, R.B., Röttgering, H.J.A., Bremer, M.N., A New Sample of Faint GigaHertz Peaked Spectrum Radio Sources, Astron. Astrophys. Suppl. Ser. 131, 435, 1998.

Soifer, B.T., Neugebauer, G., Franx, M., Matthews, K., Illingworth, G.D., Near-Infrared Observations of a Redshift 4.92 Galaxy: Evidence for Significant Dust Absorption, Astrophys. J. 501, L171, 1998.

Stoppelenburg, P.S., Schwarz, U.J., Woerden, H. van, Westerbork HI Observations of two High-Velocity Clouds, Astron. Astrophys. 338, 200-208, 1998.

Sykes, C.M., Browne, I.W.A., Jackson, N.J., Marlow, D.R., Nair, S., Wilkinson, P.N., Blandford, R.D., Cohen, J., Fassnacht, C.D., Hogg, D., Pearson, T.J., Readhead, A.C.S., Womble, D., Myers, S.T., Bruyn, A.G. de, Bremer, M.N., Miley, G., Schilizzi, R., The Complex Gravitational Lens System B1933+503, Mon. Not. Roy. Astron. Soc. 301, 310, 1998.

Telting, J.H., Waters, L.B.F.M., Roche, P., Boogert, A.C.A., Clark, J.S., De Martino, D., Persi, P., The Equatorial Disc of the Be star X Persei, Mon. Not. Roy. Astron. Soc. 296, 785-799, 1998.

Tielens, A.G.G.M., Interstellar Depletion and the Lifecycle of Interstellar Dust, Astrophys. J. 499, 267, 1998.

Veen, P.M., van der Hucht, K.A., Williams, P.M., Catchpole, R.M., Duijsens, M.F.J., Glass, I.S., Setia Gunawan, D.Y.A., A Second Dust Episode of the Wolf-Rayet system WR 19 : Another Long-Period WC+O Colliding-Wind Binary, Astron. Astrophys. 339, L45, 1998.

Vries, W.H. de, O'Dea, C.P., Baum, S.A., Perlman, E., Lehnert, M.D., Barthel, P.D., Hosts of Powerful Radio Galaxies in the Near-IR: Implications on Radio Source Evolution, Astrophys. J. 503, 156, 1998.

Vries, W.H. de, O'Dea, C.P., Perlman, E., Baum, S.A., Lehnert, M.D., Stocke, J., Rector, T., and Elston, R., Near-Infrared Imaging of Gigahertz Peaked Spectrum, Compact Steep Spectrum, and Large Scale FR II Radio Galaxies, Astrophys. J. 503, 138, 1998.

Wakker, B.P., Woerden, H. van, Boer K.S. de, Kalberla, P.M.W., A Lower Limit to the Distance of HVC Complex H, Astrophys. J. 493, 762-774, 1998.

Waters, L.B.F.M., Beintema, D.A., Zijlstra, A.A., De Koter, A., Molster, F.J., Bouwman, J., De Jong, T., Pottasch, S.R., Graauw, Th. de, Crystalline Silicates in Planetary Nebulae with [WC] Central Stars, Astron. Astrophys. 331, L61, 1998.

Waters, L.B.F.M., Waelkens, C., Van Winckel, H., Molster, F.J., Tielens, A.G.G.M., Van Loon, J.T., Morris, P.W., Cami, J., Bouwman, J., de Koter, A., de Jong, T., Graauw, T. de, An Oxygen-Rich Dust Disk Surrounding an Evolved Star in the Red Rectangle, Nature 391, 868, 1998.

Weygaert, R. van de, Het Kosmisch Schuim: Sleutel tot Structuur in het Heelal, Getijdekrachten en de Vorming van Structuur, in: KNAW Jaarboek 1998 (eds. R. Spreeuw, Veenhof), 6 pp., 1998.

Whittet, D.C.B., Gerakines, P.A., Tielens, A.G.G.M., Adamson, A.J., Boogert, A.C.A., Chiar, J.E., Graauw, Th. de, Ehrenfreund, P., Prusti, T., Schutte, W.A., Vandenbussche, B., Van Dishoek, E.F., Detection of Abundant CO2 Ice in the Quiescent Dark Cloud Medium Towards Elias 16, Astrophys. J. 498, L159, 1998.

Xanthopoulos, E., Browne, I.W.A., King, L.J., Koopmans, L.V.E., Jackson, N.J., Marlow, D.R., Patnaik, A.R., Porcas, R.W., Wilkinson, P.W., The New Gravitational Lens System B1030+074, Mon. Not. Roy. Astron. Soc. 300, 649, 1998.

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