Wiesmann, Udo Fundamentals of biological wastewater treatment / Udo Wiesmann, In Su Choi, Eva-Maria Dombrowski - Weinheim : Wiley-VCH, 2007 - xxvii, 362 p. : ill. ; 25 cm. ISBN: 9783527312191 RM564.30 Subjects--Topical Terms: Water--Purification--Biological treatmentSewage--Purification--Biological treatment