000 00446nam a2200169Ia 4500
008 170901s1980 xx 000 0 und d
082 _a613.1
_bP21M
100 _aPatel, B.
245 0 _aManagement of Environment
260 _aNew Delhi
_bWiley Eastern Pvt. Ltd.
_c1980
300 _a578
650 _aMedical sciences
650 _aTechnology (Applied sciences)
653 _aEnvironmental factors
653 _aHygiene
942 _2ddc
_cBK
999 _c11001
_d11001