International Union of Theoretical and Applied Mechanics, International Association for Hydraulic Research, & Tryde, P. (1980). Physics and mechanics of ice: Symposium, Copenhagen, August 6-10, 1979, Technical University of Denmark. Springer-Verlag.

International Union of Theoretical and Applied Mechanics, International Association for Hydraulic Research, and Per Tryde. Physics and Mechanics of Ice: Symposium, Copenhagen, August 6-10, 1979, Technical University of Denmark. Berlin ; New York: Springer-Verlag, 1980.

International Union of Theoretical and Applied Mechanics, et al. Physics and Mechanics of Ice: Symposium, Copenhagen, August 6-10, 1979, Technical University of Denmark. Springer-Verlag, 1980.