00513cam a2200169 4500 547817460 TxAuBib 20000315120000.0 000314s1978||||||||||||||||||||||||und|u 85-30532 TxAuBib Popular Science, The New Book of, V. 2 : Earth Sciences, Energy, Environmental Sciences. Grolier, Inc., 1978. 510 pp. 20000315. Earth Sciences, Energy, Environmental Sciences.