1. Waldgrenzen and subrezenten Pollenspektren in Petsamo Lappland;Aario;Suomal Tie deakat Toin.,1940
2. Vegetation and its environment in Denmark in the Early Weichselian Glacial (Last Glacial);Andersen;Daum. geol. Unders., (II),1961
3. The relative pollen productivity and pollen representation of north European trees, and correction factors for tree pollen spectra;Andersen;Danm. geol. Unders., (II),1970
4. The Cambridge pollen reference collection;Andrew,1970
5. Die vegetationsentwickfung des Eem-Interglazials and des Frühwürm-Interstadials von Odderade, Schleswig-Holstein;Averdieck;In, Gripp, C. O. Frühe Menchheit and Umwelt. Köln-Graz,1967