000 00263nam a22001217a 4500
999 _c3474
_d3474
020 _a8113182194
082 _a577.14
100 _aAjay Kumar Bhagi & G.R. Chatwal
245 _aEnvironmental Chemestry
260 _aDelhi
_bHPH
_c2005
300 _a506
942 _cBK