1.

Conference Proceedings
Conference Proceedings
1. VIII.4 New Cologne acousto-optical spectrometer projects
Tolls, V. ; Schieder, R. ; Winnewisser, G.
Pub. info.: From ground-based to space-borne sub-mm astronomy : proceedings of the 29th Liège International Astrophysical Colloquium held at the Institut d'Astrophysique, Liége, Belgium, 3-5 July 1990.  pp.299-306,  1990.  Paris.  ESA Publications Division
Title of ser.: ESA SP
Ser. no.: 314
2.

Conference Proceedings
Conference Proceedings
2. TeraHertz Spectroscopy at the University of Cologne
Schieder, R. ; Stutzki, J. ; Winnewisser, G.
Pub. info.: The far infrared and submillimetre universe : an ESA symposium devoted to the Far InfraRed and Submillimetre Telescope (FIRST) mission : 15-17 April 1997, Institut de Radio Astronomie Millimétrique (IRAM), Grenoble, France.  pp.425-428,  1997.  Noordwijk, The Netherlands.  ESA Publications Division
Title of ser.: ESA SP
Ser. no.: 401