http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
79.834 -- RESEARCH geoecological -- Geoecological Research.Ed.:Ulrich Schweinfurth.Co-ed.:Manfred Domrös.In cooperation with ... Vol.4. - Wiesbaden:Steiner 1983. 8° -- 1984:4120(Vol.4). -- o Fie. -- Forts.s.T.K.!