000 00332nam a2200157Ia 4500
020 _aNULL
082 _a574.5
100 _a-
245 2 _aThe Biosphere: A Scientific American Book
250 _a-
260 _aSan Francisco
_bW. H. Freeman and Company
_c1970
300 _a134
500 _a416
650 _a-
942 _cBK
999 _c28290
_d28290