000			00325nam a2200145Ia 4500
008			190201s9999 xx 000 0 und d
082			_a620
082			_b8 ENV
100			_a"Purdom, Walton P. ed."
245		0	_aEnvironmental Health
260			_aNew York
260			_bAcademic
260			_c1971
300			_a"xiv, 584"
999			_c28657 _d28657