http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
On the theoretical concepts of self-extinction of bark beetles =
O teoreticheskoi kontseptsii samoudusheniya koroedov
"From: Vestnik Sel'skokhozyaistvennoi Nauki, 7(3):133-134. 1962."
Includes bibliographical references (page 2).