000 00391nam a2200157Ia 4500
008 190302s9999||||xx |||||||||||||| ||und||
020 _a165
040 _aKharagpur College Library
082 _a301.3
_bSIN ;Vol. 2
100 _aGoutam Paul
245 _aPoribesh o Dushon
260 _bDasgupta and Co
_aKolkata
_c1999
300 _a640 p.
650 _aEnvironment Scince
942 _cBK
999 _c11514
_d11514