000 00306nam a22001457a 4500
999 _c5792
_d5792
003 OSt
020 _a9798189747571
082 _a577 SAC
100 _aSachan, Nikhil K
245 _aEnvironment and Ecology
250 _a1st ed.
260 _aDelhi
_bBirla Pub.
_c2010
300 _a220p.
942 _2ddc
_cBK