1. WPCF 1960 Design and Construction of Sanitary and Storm Sewers. Manual of Practice No. 9.
2. RINGEL A. 1937 Die Vergasung von Abwasserkanälen, Die Stadtentwässerung in Deutschland Part II, pp. 111–117.
3. Progress report on sulfide control research;POMEROY;Sew. Works J.,1946
4. Experimental ventilation of the north outfall sewer of the City of Los Angeles;STUDLEY;Sew. Works J.,1939
5. The sewage situation of the City of Los Angeles;THOMAS;Sew. Works J.,1940