| 1 |
Bd. 5
Space stations : legal aspects of scientific and commercial use in a framework of transatlantic cooperation : proceedings of an international colloquium Hamburg, October 3 and 4, 1984 / organized by the Institute of Air and Space Law, University of
Köln : Heymann , 1985
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| 2 |
Bd. 16
'Project 2001' - legal framework for the commercial use of outer space : recommendations and conclusions to develop the present state of the law : proceedings of an International Colloquium, Cologne, May 29-31, 2001 to present conclusions of 'Project 2001' - a joint international research project / edited by Karl-Heinz Böckstiegel
Köln ; Berlin : C. Heymann , c2002
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| 3 |
Bd. 20
'Project 2001 Plus' : global and European challenges for air and space law at the edge of the 21st century : proceedings of an International Symposium Cologne, 8-10 June 2005, to conclude 'Project 2001 Plus' - a joint project / edited by Stephan Hobe, Bernhard Schmidt-Tedd, Kai-Uwe Schrogl ; editorial support by Julia Neumann
Köln : Carl Heymanns Verlag , 2006
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