http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Bergey's manual of systematic bacteriology
v. 2. The proteobacteria. Part B. The gamaproteobacteria
Don J. Brenner, Noel R. Krieg, James T. Staley, editors, volume two ; George M. Garrity, editor-in-chief.
Includes bibliographical references and index