000 00451 a2200181 4500
001 067416
003 OSt
005 20211203162253.0
008
082 _a367.7
_bD26E
100 1 _aDas, R.C.
245 1 _aEnvironmental science
_cby R.C. Das and D.K. Behera
260 _aNew Delhi
_bPHI Learning
_c2008
300 _a362p.
690 _aEnvironmental sciences
700 _aBehera, D.K.
942 _2ddc
_cBK
999 _c1319
_d1319