http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Proceedings of the international clay conference, 1985
Denver, Colorado, July 28 to August 2, 1985 / organized by the Clay Minerals Society and the United States Geological Survey under the auspices of Association Internationale pour l¹Etude des Argiles
editors, Leonard G. Schultz, H. Van Olphen, Frederick A. Mumpton.