1. On the similarity in the growth of trees in northern Scandinavia and in the polar Ural Mountains;Adamenko;J. Gluciol.,1963
2. The Styggedal glacier in Jotunheimen, Norway;Ahlmann;Geogr. Ann.,1940
3. Glaciological research on the north Atlantic coasts;Ahlmann;R. Geogr. Soc. Res. Ser.,1948
4. Glacier variations and climatic fluctuations;Ahlmann;Am. Geogr. Soc., Bowman Memorial Lectures Ser.,1953
5. Dendrochronological interpretation of geomorphic processes;Alestalo;Fennia,1971