The moon : international astronomical union symposium no. 14, held at Pulkovo Observatory near Leningrad, Dec. 1960 - International Astronomical Union Symposium 1960 : Pulkovo Observatory near Leningrad); Kopal, Zdeněk, 1914-1993. (London : Academic Press, 1962)
Keywords: Αστρονομία -- Συνέδρια; Astronomy -- Congresses