000 00290nam a2200121Ia 4500
008 200906s9999 xx 000 0 und d
082 _a333.9 S648
100 _aSMITH,G.H
245 0 _aCONSERVATION OF NATURAL RESOURCES
260 _bWILEY, NEW YORK
_c1961
300 _a25X18
942 _cBK
999 _c61056
_d61056