http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
a reference guide to benefits and hazards
xxix, 261 pages : illustrations, maps ; 24 cm.
Angus M. Gunn ; foreword by Bruce Babbitt.
Includes bibliographical references (pages [253]-254) and index.