http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Diatoms in the eocene and oligocene sediments off NW Africa
their stratigraphic and paleogeographic occurrences
Fenner, Juliane -- Diatoms in the eocene and oligocene sediments off NW -- Africa, their stratigraphic and paleogeographic occur- -- rences. -- 1981. 230 S. 8° -- Kiel, Univ., Math.-Naturwiss.Fak., Diss. 1982