000			00369nam a2200145Ia 4500
008			180612s9999||||xx |||||||||||||| ||und||
020			_a069713802x
041			_aen
082			_a363.7
100			_aCUNNINGHAM, William P.
245		0	_aEnviromental science a global concern
260			_aDubuque _bWm. C. Brown Publishers _c1990
300			_axvii, 582
942			_cPR
999			_c49131 _d49131