Trivedy, R. K. Advances in wastewater treatment technologies (vol.1) ed by R. K. Trivedy - Aligarh Global Science 1998 - 486p. ISBN: 81 87258 00 4 Subjects--Topical Terms: Sewage - Purification - Biological treatmentSewage - Purification - Nutrient removal Dewey Class. No.: 628.162 / TRI/A