http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Aquinas on matter and form and the elements
a translation and interpretation of the De principiis naturae and the De mixtione elementorum of St. Thomas Aquinas
Electronic reproduction. Boulder, Colo. : NetLibrary, 2000. Available via World Wide Web. Access may be limited to NetLibrary affiliated libraries. Excludes some or all of the images found in the original book.
Includes bibliographical references and indexes.
De principiis naturae ad fratrem Silvestrum