000 00339nam a2200145Ia 4500
020 _a0000000000
082 _b3161
_a304.2
100 _a"Uberoi N . K"
245 0 _aEnvironmental Management
260 _bExcel Book
_aNew Delhi
_c2002
300 _a260
944 _cBK
999 _c395892
_d395892