000 00288nam a2200109Ia 4500
008 220303s1998 xx 000 0 und d
041 _aeng
082 _a574.5 VER / ENV
100 _aVerma, P.S.
_9100490
245 _aEnvironmental Biology
260 _aNew Delhi
_bS.Chand & Company
_c1998
999 _c108756
_d108756