Bergey's manual of systematic bacteriology : vol. 2, the proteobacteria pt. A, introductory essays / Don J. Brenner ... [et al.] Brenner, Don J. Krieg, Noel R. Staley, James T. Garrity, George M. Bacteria -- Classification 589.9 BER Includes bibliographical references and index. New York : Springer , c2005 c2005 2005 Text v : eng