http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Studies on the life cycle and morphogenesis of Opalina
250.956 -- Zool.61,6 -- WESSENBERG,Harry : -- Studies on the life cycle and morphoge- -- nesis of Opalina. 1961. -- (University of California Publications -- in zoology. 61,6.) -- 1963 : -- KB/Mo.
University of California Publications in zoology 61,6