1. The contribution of discontinuous rock-mass failure to glacial erosion;Addison;Annals of Glaciology,1981
2. Snowdon in the Ice Age;Addison,1987
3. Addison, K., Edge, M.J., Watkin, R. (Eds.), 1990. The Quaternary of North Wales: Field Guide. Quaternary Research Association, Coventry, 190 pp.: see pp. 11–19, 77–81, and 99–103.
4. Geomorphological studies in Norway;Ahlmann;Geografiska Annaler,1919
5. Factors affecting corrie glacierization in Okoa Bay;Andrews;Quaternary Research,1971