000 00271nam a2200121Ia 4500
100 _aAgarwal, K. C
020 _a81-85031-19-3
942 _cBK
245 _aEnvironmental biology
260 _aAgro Botanical Pub, India
_c1987
082 _a574.5 Aga
300 _aviii,439
999 _c63294
_d63294