000 00377nam a2200145Ia 4500
020 _a0000000000
082 _b3240
_a304.2.030
100 _a"SINGH S.K"
245 0 _aDICTIONARY OF ECOLOGY AND EVIROMENT
260 _bCommonwealth publi
_aCommonwealth publi New Delhi
_c1976
300 _a347
944 _cR
999 _c395971
_d395971