000 00363nam a2200157Ia 4500
008 200202s9999 xx 000 0 und d
082 _a363.73 SIN
100 _a"Singh, Pramod"
245 0 _aEnvironmental pollution and management
260 _aAllahabad
260 _bChugh Pub.
260 _c1985
300 _a243 p.
650 _aPollution
942 _cB
999 _c24612
_d24612