000 00390nam a2200157Ia 4500
008 170207s9999 xx 000 0 und d
082 _aPG 540.157 SHA-E6
100 _aSharma, B K; Kaur, H
245 _aEnvironmental chemistry
250 _a6
260 _bKrishna Prakashan Mandir, Meerut
260 _c2001
365 _b325
650 _aEnvironmental chemistry
942 _cBOOKS
999 _c38557
_d38557