Shreeshivadasan Chelliapan. Treatment of wastewater by anaerobic stage reactor / Shreeshivadasan Chelliapan. - Kuala Lumpur : University of Malaya Press, 2009. - xvi, 138 p. : ill. ; 23 cm. Includes index and bibliography : p. [115]-135. ISBN: 9789831004845 (pbk.) : RM38.00 Subjects--Topical Terms: Sewage--Purification--Anaerobic treatmentSewage--Purification--Biological treatment