000			00377nam a2200157Ia 4500
008			180613s9999||||xx |||||||||||||| ||und||
020			_a0-07-230495-2
041			_aen
082			_a333.7
100			_aENGER, Eldon D.
245		0	_aEnvironmental Science
250			_a7th ed
260			_aBoston _bMcGraw - Hill Companies, Inc _c2000
300			_axxi, 434p.
942			_cSR
999			_c76400 _d76400