http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
expeditions ARKTIS-XX/1 and XX/2 of the research vessel "Polarstern" in 2004
Alfred-Wegener-Institüt für Polar- und Meeresforschung
ed. by Gereon Budéus and Peter Lemke with contributions of the participants.
Berichte zur Polar- und Meeresforschung 544