http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ordination and classification of Swiss and Canadian coniferous forests by various biometric and other methods
D 120.541 -- GROENWOUD, Herman van: -- Ordination and classification of Swiss -- and Canadian coniferous forests by various -- biometric and other methods. - Zürich 1965. -- 103 p. 8° -- Zürich, ETH, naturwiss. Diss. 1965. -- 1971! -- B.