000 00320nam a2200133Ia 4500
008 240913s9999||||xx |||||||||||||| ||und||
082 _a540 VEN/E
100 _aB Venkateswarlu
245 0 _aEnvironmental Chemistry
250 _aNULL
260 _bKalyani Publishers
_aNew Delhi
_c2000
300 _a206 p
942 _cBKS
999 _c6764
_d6764