000 00302nam a22001097a 4500
008 140101b xxu||||| |||| 00| 0 eng d
020 _a8174886524
050 _a577.03
100 _aChhatwal G R
245 _aEncyclopaedia of environmental biology,Vol.1
260 _aNew Delhi
_bAnmol publications
_c1998
999 _c328958
_d328958