363.7284
M278P
           Manivasakam, N
               Physico-chemical examination of water sewage and industrial effluents \ N Manivasakam - 4th - Meerut : Pragati, 2000.
               xi, 257p.
                ISBN: 81-7556-205-6

140552
                Subjects: Sewage-Purification; Land treatment of wastewater; Sewage-Purification-Filtration.