000 00264nam a2200109Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
020 _a8185031592
100 _aAgrawal, K C
245 0 _aEnvironmental Biology
260 _bAgro Botanical
_aDelhi
_c1993
942 _cBK
999 _c1985
_d1985