000			00312nam a2200121Ia 4500
001			122971
008			170722s9999 xx 000 0 und d
100			_aRoss, Rd
245			_aAir pollution and industry. /
260			_c1972.
490			_aVan Nostrand Reinhold,environmental engineering series.
942			_cGEN
999			_c85589 _d85589