http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
xiii, 528 pages : illustrations ; 24 cm.
edited by Donald R. Nielsen, J. G. MacDonald.
Proceedings of a conference held in Feb. 1977, sponsored by the M. Theodore Kearney Foundation of Soil Science, University of California, Davis.
Includes bibliographical references and index.