TY - BOOK AU - Bethea, Robert M. TI - Air-pollution control technology: an engineering analysis point of view T2 - Van nostrand environmental engineering series SN - 0442207158 U1 - 628.53 21st ed. PY - 1978/// CY - New York PB - Van Nostrand Reinhold Company KW - Air-Pollution KW - Air-Pollution-Equipment and supplies KW - Environmental engineering KW - Pollution control equipment ER -