TY - JOUR CN - QE1 CN - QE1 CY - San Francisco : DA - [1969- ID - 62220 KW - Earth sciences. N1 - Vols. 1- are Scientific American offprint no. 801/843- PB - W.H. Freeman and Co., PP - San Francisco : PY - [1969- T1 - Scientific American resource library. TI - Scientific American resource library. ER -