00605cam a22002171 4500 2638207 BD-DhUL 20190303112018.0 730102s1957 nyua 000 0 eng 57007947 DLC DLC DLC BD-DhUL 523.1 SCP Scientific American. The planet earth / Scientific American. New York : Simon and Schuster c1957. 168 p. : ill. ; 20 cm. Geophysics. International Geophysical Year, 1957-1958. Earth (Planet) ddc BK 12028 12028 0 0 ddc 0 523_100000000000000_SCP 0 NFIC 21389 DUSL DUSL GEN 2014-09-20 523.1 SCP A32376(D) 2014-09-20 2014-09-20 BK