=LDR 00000nam a2200000ui 4500 =001 449 =008 250530s1970\\\\xx\|||||||||||||||||eng\d =082 04$a577 SCI =110 2\$aScientific American =245 10$aThe Bioshpere: a Scientific American book =260 \\$bW. H. Freeman and Co.,$c1970 =852 \\$bFreeman Library$cBooks$h577 SCI$zNot located