1. Säkulare Seespiegelschwankungen: wo, wie, wann, warum;Ammann;Mitteilungen der Naturforschenden Gesellschaft in Bern Neue Folge.,1982
2. Late-Quaternary palynology at Lobsigensee. Regional vegetation history and local lake development;Ammann;Dissertationes Botanicae,1989
3. Retreat velocity of the North Atlantic polar front during the last deglaciation determined by 14C accelerator mass spectrometry;Bard;Nature,1987
4. Die Klimaschwankungen in europäischen Präbo-real;Behre;Petermanns Geographische Mitteilungen,1978
5. Insolation signatures of quaternary climatic changes;Berger;Il NuovoCimento,1979