Vatavuk, W.M. Estimating costs of air pollution control (Book) - Chelsea, Mich. Lewis 1990 - 235 p. 24 cm. ISBN: 0873711424 Subjects--Topical Terms: Air--Purification--Equiqment and Supplies--Costs Air--Purification--Estimates Universal Decimal Class. No.: 614.71 : 657.47 VAT / 12845