000			00326nam a2200157Ia 4500
082			_a304.2 _bM122.QE
100			_aMcCamy, J. L.
245			_aQuality of the environment _b
260			_aNew York _bFree Press _c1972
300			_aviii, 276p.
500			_a
690			_a
700			_a
964			_a _b _c _d _e _f _g
921			_a47
999			_c47 _d47