000 00308nam a22001097a 4500
008 131224b xxu||||| |||| 00| 0 eng d
020 _a8174886486
050 _a363.7006
100 _aChhatwal G R
245 _aEncyclopaedia of environmental management, Vol.1
260 _aNew Delhi
_bAnmol publications
_c1998
999 _c328468
_d328468