000 00307nam a22001097a 4500
008 151104b xxu||||| |||| 00| 0 eng d
020 _a0198061137.
082 _a577.27 RAJ
100 _aRAJAGOPALAN R
245 _aENVIRONMENT AND ECOLOGY:
_bFOR UP TECHNICAL UNIVERSITY
260 _bOXFORD UNVERSITY PRESS
_c2009.
999 _c3917
_d3917