1. Aario, R., Classification and terminology of morainic landforms in Finland, Boreas, 1977, vol. 6, pp. 87–100.
2. Adams, J.I., Tests on glacial till, Proc. 14th Can. Soil Mech. Conf., NRC Techn. Memor. no. 69, Ottawa, 1961, pp. 37–48.
3. Aksenov, A.A., Dunaev, N.N., Ionin, A.S., et al., Arkticheskii shel’f Evrazii v pozdnechetvertichnoe vremya (The Arctic Shelf of Eurasia in the Late Quaternary), Moscow: Nauka, 1987.
4. Alley, R.B., Water-pressure coupling of sliding and bed deformation: II. Velocity–depth profiles, J. Glaciol, 1989, vol. 35, pp. 119–129.
5. Alley, R.B., Blankenship, D.D., Rooney, S.T., and Bentley, C.R., Deformation of till beneath ice stream B, West Antarctica, Nature, 1986, vol. 322, pp. 57–59.