Manned laboratories in space : Second International Orbital Laboratory Symposium : Organized by the International Academy of Astronautics at the XIXth International Astronautical Congress, New-York, 18 October 1968 - International Orbital Laboratory Symposium 1968 : New York ); Singer, Siegfried Fred, 1924-; International Academy of Astronautics; International Astronautical Congress 1968 : New York, N.Y.) (Dordrecht : D. Reidel Publ. Co., 1969)
Summaries in French and Russian.
Keywords: Space stations -- Congresses