000 00330nam a2200145Ia 4500
082 _a614.77
100 _aTrivedy, R. K.
245 0 _aChemical & Biological Methods For Water Pollution Studies
250 _a1st
260 _aKarad
_bEnvironmental Publications
300 _a247
500 _a498
650 _a-
942 _cBK
999 _c49693
_d49693