1.

Conference Proceedings
Conference Proceedings
1. The universe as seen by ISO : UNESCO, Paris, France, 20-23 October 1998
[editors: P. Cox & M.F. Kessler]
Title of ser.: ESA SP
Ser. no.: 427
Pub. info.: Noordwijk, Netherlands: ESA Publications Division, 1999. 
2.

Conference Proceedings
Conference Proceedings
2. The universe as seen by ISO : UNESCO, Paris, France, 20-23 October 1998
[editors: P. Cox & M.F. Kessler]
Title of ser.: ESA SP
Ser. no.: 427
Pub. info.: Noordwijk, Netherlands: ESA Publications Division, 1999.