1. N. Kh. Arutyunyan, Some Problems of Creep Theory [in Russian], Gostekhizdat (1952).
2. S. R. Meschyan, Creep of Clayey Soils [in Russian], Izd. AN Armyanskoi SSR (1967).
3. A. M. Skibitski, "Creep values and viscous resistance of the rheologic properties of soils," in: Investigations on Rheologic Properties of Soils [in Russian], Proceedings of the Coordination Conferences in the Hydrotechnical Field, Vol. 38 (1963).
4. S. S. Vyalov, V. G. Gmoshinski, et al., Strength and Creep of Frozen Soils and Computation of Ice-Soil Barriers (S. S. Vyalov, Editor) [in Russian], Izd. AN SSSR (1962).
5. Yu. S. Erzhanov, Phenomenologic Theories of Rock Creep. Rheologic Problems of Soil Mechanics [in Russian], AN Kazakhskoi SSR (1964).