http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Cell differentiation in microorganisms, plants and animals
international symposium held by the Deutsche Akademie der Naturforscher Leopoldina at the Reinhardsbrunn Castle, Thuringia (GDR), April 11-16, 1976
International Symposium on Cell Differentiation in Microorganisms, Plants and Animals (1976 : Reinhardsbrunn)
Deutsche Akademie der Naturforscher Leopoldina