Garg, S. K. Sewage disposal and air pollution engineering / Santosh Kumar Garg and Rajeshwari Garg - 22nd ed. - India Khanna Publlishers 1979 - 1189 p. - Environmental Engineering. Volume II . Subjects--Topical Terms: Water-supply engineeringAir PollutionᅠSewage Disposalᅠ Dewey Class. No.: 628.3 GAR-S