http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Bergey´s manual of systematic bacteriology
volume one: The archea and the deeply branching and phototrophic bacteria
David R. Boone, Richard W. Castenholz editors, volume one ; George M. Garrity, editor-in-chief