Internal reports
WHISP Reduction Document
, Version 2, 8 Sept. 1995,
L.G. Sijbring and J.J. Kamphuis
WHISP UV-Reduction Cookbook
, Version 1, 8 May 1998,
L.G. Sijbring
WHISP XY-Reduction Cookbook
, Version 1, 8 May 1998,
L.G. Sijbring