000 00335nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aK.C.Agrawal
245 0 _aEnvironmental Biology
250 _a2nd Ed
260 _a-
260 _bAgro Botanical Publishers
260 _c1993
650 _aEnvironmental Biology
942 _cBK
999 _c15872
_d15872