00663nam a2200217 a 4500 67885 BD-RjUL 20211209081713.0 170329s1961 nyua 000 0 eng (BD-RjUL)68094 DLC/ICU ICU BD-RjUL eng eng 551.0621 23 SUA 1961 Sullivan, Walter. 201240 Assault on the unknown : the International Geophysical Year / Walter Sullivan. New York : McGraw-Hill, c1961. xiv, 460 p. : ill. ; 22 cm. International Geophysical Year, 1957-1958. 201241 ddc BK 67885 67885 0 0 ddc 0 1 NFIC RUCL RUCL Reading 1964-03-24 Zeitlinger 62.00 0 551.0621 SUA 1961 2017-03-29 00:00:00 C-1 2017-03-29 BK