http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ivan Efremov's theory of Soviet science fiction
G. V. Grebens ; illustrated by Candice Kensing.
Photocopy. Ann Arbor, Mich. : University Microfilms International, 1980. 22 cm.