000 00319nam a2200133Ia 4500
008 160316s1973 xxu||||| |||| 00| 0 eng d
020 _a
100 _aKenneth E.F. Watt
245 _aPrinciples Of Environmental Science
250 _a1st
260 _aNEW YORK
_bMCGRAW HILL BOOK CO.
_c1973
300 _a319
700 _a
_a
999 _c936
_d936