http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Proceedings of the International Clay Conference, 1975, Mexico City, Mexico, July 16-23, 1975
International Clay Conference, Mexico (City), 1975.
International Association for Clay Research
organized by Instituto de Geología, Universidad Nacional Autonoma de Mexico ; under the auspices of Association internationale pour l'étude des argiles ; editor-in Chief, S. W. Bailey.
Includes bibliographical references and indexes.