http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Soil organic matter in temperate agroecosystems
414 pages : illustrations, maps ; 26 cm. + 1 computer disk (3 1/2 in.)
System requirements: IBM compatible PC; WP 5.1.
Includes bibliographical references and index.