1. The Lakes of Karelia;Alexandrov,1959
2. The Younger Dryas end moraines of the Scandinavian ice sheet;Andersen;Quaternary International,1995
3. Classification of glaciolacustrine sediments;Ashley,1988
4. Lithology and paleomagnetic record of Late Weichelian varved clays from NW Russia;Bakhmutov;Geological Quarterly,2006
5. Diatom analysis;Battarbee,1986