000			00307nam a2200133Ia 4500
100			_aSandbach, Francis
020			_a0-582-30042-8
942			_cBK
654			_a
245			_aPrinciples of pollution control
260			_aLondon _bLongman Group Limited _c1982
082			_a614.7
300			_bPb _axvi,174
999			_c369057 _d369057
041			_aeng