000 00371nam a2200133Ia 4500
008 190829s9999 xx 000 0 und d
020 _a81 219 0859 0
082 _a577
_bVER/E
100 _aAGARWAL, V.K.
100 _aVERMA, P.S.
245 0 _aENVIRONMENTAL BIOLOGY: PRINCIPLES OF ECOLOGY
260 _bS.Chand and Company Ltd., New Delhi
_aNew Delhi
_c1996
942 _cBK
999 _c5877
_d5877