000			00453cam a2200169 a 4500
020			_a0805322558
082	0		_a363.7
100	1		_aChiras, Daniel D.
245	1	0	_aEnvironmental science :
250			_a3Rd
260			_aMenlo Park, Calif. : _bBenjamin/Cummings Pub. Co., _c1991
300			_axix, 549 p. : _bill. (some col.) ;
650		0	_aEnvironmental policy.
650		0	_aEnvironmental protection.
650		0	_aNatural resources.
942			_cREF
999			_c1547 _d1547