000 00379nam a2200157Ia 4500
008 170101s1983 xx 000 0 und d
020 _a8121908590
100 _aVerma P S
245 0 _aEnvironmental Biology
260 _aNew Delhi
_bS Chand and Co
_c1983
300 _a591
650 _aBiology
650 _aBio-Technology
700 _aAgarwal V.K
942 _2ddc
_cBK
_01
999 _c155293
_d155293