Jenkins, David (1935- ). Manual on the causes and control of activated sludge bulking, foaming, and other solids separation problems / David Jenkins, Michael G. Richard, Glen T. Daigger. - 3rd. ed. - Boca Raton : Lewis Publishers, 2004. - [20], 190 s. : il. ; 28 cm. Bibliogr. s. 163-177. ISBN: 1843390469