http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
proceedings of the 4th International Congress of Plant Tissue and Cell Culture held at the University of Calgary, Alberta, Canada, August 20-25, 1978
International Congress of Plant Tissue and Cell Culture 1978 : Calgary, Alta.)
Includes bibliographical references and indexes.