000 00528nam a22002057a 4500
005 20180725194832.0
008 180725b xxu||||| |||| 00| 0 eng d
020 _cRs.130
040 _aMAIN
082 _a333.7
_bBAK
100 _aBakshi, D. N. Guha
245 _aA text book of environmental science
260 _aCalcutta
_bCalcutta book house
_c2000
300 _a244p.
500 _aIncludes bibliography
650 _aEnvironmental science
700 _aSen, Subir
700 _aBanerjee, Samar Kumar
942 _cBK
999 _c6927
_d6927