http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Highlights of nitrogen fixation research
North American Conference on Symbiotic Nitrogen Fixation 1998 : Cancun, Mexico)
edited by Esperanza Martínez and Georgina Hernández.
Includes bibliographical references and index.