000 00421nmm a2200145 a 4500
999 _c7948
_d7948
020 _a979-8338512968
100 1 _aDas, R.C.
245 1 0 _aEnvironmental Science
260 _a[S.l.] :
_bPHI Learning Private Limited,
_c2013.
300 _a1 online resource (463 p.)
650 _aEnvironmental Science
700 1 _aBhera, D.K
856 4 0 _uhttp://www.amazon.com/exec/obidos/ASIN/B00DVNUNG4/chopaconline-20
942 _cBK