http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Review of the Air Quality Biological Effects Research Program, Saguaro National Monument, Arizona
Air Quality Biological Effects Research Program, Saguaro National Monument, Arizona
Cooperative National Park Resources Studies Unit (Tucson, Ariz.)
Saguaro National Monument, Air Quality Biological Effects Research Review Panel.
Includes bibliographical references (pages 26-27).
Technical report (Cooperative National Park Resources Studies Unit (Tucson, Ariz.)) ; no. 49