Bergey's manual of systematic bacteriology. Volume 4, The Bacteroidetes, Spirochaetes, Tenericutes (Mollicutes), Acidobacteria, Fibrobacteres, Fusobacteria, Dictyoglomi, Gemmatimonadetes, Lentisphaerae, Verrucomicrobia, Chlamydiae and Planctomycetes / Noel R. Krieg, James T. Staley, Daniel R. Brown ... [et al.], editors, volume 4 ; William B. Whitman, director of the editorial office   .  New York :  Springer,  2011 . xxvi, 949 s.