000 00385nam a2200157Ia 4500
008 170901s1990 xx 000 0 und d
082 _a574.5
_bM85E
100 _aMukerji, B.
245 0 _aEcology
_bA System Approach
260 _aAllahabad
_bCentral Book Depot
_c1990
300 _a517
650 _aLife sciences
650 _aPure Sciences
653 _aEcology
942 _2ddc
_cBK
999 _c6696
_d6696