http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
S. S. Shvarts ; translated from Russian and edited by Ayehba E. Gill, with new material by the author and editor.
Russian edition published in 1969 under title: Evoluuitsuinnaia ekologiia zhivotnykh.