000 00334nam a2200133Ia 4500
008 140317s9999 xx 000 0 und d
082 _a574.52
100 _aDesh Bandhu
245 _aEnvironmental management.
260 _aNew Delhi
_bIndian Environmental Society.
_c1981
300 _a126
653 _aEnvironment
942 _2ddc
_cBK
999 _c9249
_d9249