1.

Conference Proceedings
Conference Proceedings
1. Development of an in-orbit refocusing mechanism for the Meteosat Second Generation Weather Satellites
Verhoeff, P. ; Mierlo, H.A. van ; Braam, B.C. ; Hopman, J. ; Werkhoven, W.P. van ; Le Kluse, M.
Pub. info.: Earth observing systems III : 19-21 July 1998, San Diego, California.  pp.92-103,  1998.  Bellingham, Wash., USA.  SPIE
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 3439
2.

Conference Proceedings
Conference Proceedings
2. Star separator system for the dual-field capability (PRIMA) of the VLTI
Delplancke, F. ; Nijenhuis, J. ; Man, H. de ; Andolfato, L. ; Treichel, R. ; Hopman, J. ; Derie, F.
Pub. info.: New frontiers in stellar interferometry : 21-25 June 2004, Glasgow, Scotland, United Kingdom.  pp.1528-1535,  2004.  Bellingham, Wash..  SPIE - The International Society of Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 5491
3.

Conference Proceedings
Conference Proceedings
3. The pre-development of the Aristoteles calibration mechanism
Braam, B. C. ; Bokhove, H. ; Hopman, J. ; Koster, M. P. ; Courage, W. M. G. ; Hijkoop, G. ; Aguirre, M. ; Robinson, A.
Pub. info.: Fifth European Space Mechanisms and Tribology Symposium : an International Symposium organised by the European Space Agency, jointly sponsored by NIVR and CNES and held at ESTEC, Noordwijk, The Netherlands on 28-30 October 1992.  pp.129-136,  1992.  Paris, France.  ESA Publications Division
Title of ser.: ESA SP
Ser. no.: 334