http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Symposium on desmids and other zygnematales (second International Desmid Symposium), Lake Itasca, Minnesota 21-25 September 1976
Verhandlungen = proceedings = comptes rendus
International Desmid Symposium 1976 : Lake Itasca, Minn.)
203 pages : illustrations, maps ; 24 cm.
edited by Paul Biebel and Dieter Mollenhauer.
Summaries in English, German and French.