http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Improving rust-resistant strains of inland western white pine
Improving rust resistant strains of inland western white pine
Intermountain Forest and Range Experiment Station (Ogden, Utah)
Includes bibliographical references (pages 12-13).
USDA Forest Service research paper INT ; 245