Volumes

Staley, J.T., Bryant, M.P., Pfennig, N. & Holt, J.G. (eds.), 1989. Volume 3. Bergey's Manual of Systematic Bacteriology. The Williams & Wilkins Co., Baltimore and London: 2648 pp.. ≡

Chapters

Pfennig, N., 1982. Phototrophic Bacteria. In S.P. Parker (ed.), Syn. Classif. Liv. Org. 1: 26-27.