000			00355nam a2200133Ia 4500
005			20260224041034.0
008			260224s9999||||xx |||||||||||||| ||und||
082			_a333.91 ACK
100			_aAckerman, B.A.
245		4	_aThe uncertain search for environmental quality
260			_aLondon: Collier Macmillan Publishers _c1974
300			_a386
942			_cBK
999			_c4770 _d4770