00386nam a2200169Ia 4500 210210b1957 xxu||||| |||| 00| 0 eng d eng 520/169 SCIENTIFIC AMERICAN Planet earth New York Simon & Schuster 1957 viii,168 Planet earth Astronomy 008154 125998 125998 0 0 0 0 Science AL AL Astronomy 2021-02-17 0.00 0 520/169 008154 2021-02-17 00:00:00 2021-02-17 BK