1.

Conference Proceedings
Conference Proceedings
1. ISLA-The International Stratospheric Laboratory for Astrophysics
Appen-Schnur,G.F.O.von ; Luks,T.
Pub. info.: Optical telescopes of today and tomorrow : following in the direction of Tycho Brahe : 29 May-2 June, 1996, Landskrona/Hven, Sweden.  pp.520-532,  1997.  Bellingham, Washington.  SPIE-The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 2871
2.

Conference Proceedings
Conference Proceedings
2. Aerostatic platforms,past,present,and future:a prototype for astronomy?
Appen-Schnur,G.F.O.von ; Kuke,R. ; Schaefer,I. ; Stenvers,K.-H.
Pub. info.: Airborne telescope systems : 27-28 March 2000, Munich, Germany.  pp.226-236,  2000.  Bellingham, Wash..  SPIE - The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 4014