Okun, Daniel Alexander. Community wastewater collection and disposal / Daniel A. Okun and George Ponghis. - Geneva : [Albany, NY : Geneva : [Albany, NY : World Health Organization ; sold by the Q. Corp.], World Health Organization ; sold by the Q. Corp.], 1975. "Corrigendum" (8 p.) inserted. Bibliography: p. 279-284. ISBN: 42.00F LCCN: 75327764 //r76 Nat. Bib. No.: Sw*** Subjects--Topical Terms: Sewerage.Sewage disposal. LC Class. No.: TD645 / .O37 Dewey Class. No.: 628/.3