1. Dendrochronolgical interpretation of geomorphic processes;Alestalo;Fennia,1971
2. Soil data and the shape of the lichen growthrate curve for the Mount Cook area;Birkeland;N.Z.J. Geol. Geophys.,1981
3. Recent glacial history of an alpine area in the Colorado Front Range, U.S.A. 1. Establishing a lichen growth curve;Benedict;J. Glaciol.,1967
4. Dating rock surfaces by lichen growth and its application to glaciology and physiography (lichenometry);Beschel,1961
5. Geomorphic Responses to Climatic Change;Bull,1991