1. Z. V. Tsagareli, New Lightweight Constructions of Retaining Walls [in Russian], Stroiizdat, Moscow (1969).
2. G. K. Klein, Calculation of Retaining Walls [in Russian], Vysshaya Shkola, Moscow (1964).
3. P. I. Yakovlev, "Refinement of the method of calculating retaining walls with relieving platforms," in: Scientific Papers "Sea Ports," [in Russian], No. 4 (1970).
4. P. I. Yakovlev, "Calculation of relieving beams," in: Scientific Papers "Sea Ports," [in Russian], No. 1 (1965).
5. P. I. Yakovlev, "Application of S. S. Golushkevich's method to calculation of retaining walls with relieving platforms," Izvestiya VUZOV. Stroitel'stovo Arkhitektura, No. 9 (1966).