1. Jenike and Johansson, “On the Theory of Loads on a Bunker,” Konstruir. Tekhnol. Mashinostr., No. 2 (1969).
2. A. M. Kurochkin, “Pressure of grain in silos,” in: Investigation of Stress State of Reinforced Concrete Silo Structures [in Russian], No. 3, Saratov (1971).
3. F. A. Issers, E. S. Geiler, and V. I. Karev, “Coefficients of asymmetry of cycles of loading in walls of reinforced concrete silos during outflow of loose material,” Stroitel. Mekh. Raschet Sooruzh., No. 1 (1979).
4. A. V. Anatol'ev and P. N. Platonov, “Mechanism of force transmission in an ideal loose medium,” Tr. Odessak. Tekhnol. Inst.,9 (1958).
5. N. G. Dubynin, Discharge of Ore during Underground Working [in Russian], Nedra, Moscow (1965).