1. V. N. Khorin et al., A Hydraulically Operated Prop for Stopping [in Russian], Nedra, Moscow (1973).
2. N. M. Sadykov, A. A. Orlov, and É. M. Yalyshev, “Directions for improving mechanical props for seams with sharply cambered roofs,” Trudy VNIMI, No. 99, Leningrad (1976).
3. N. M. Sadykov and A. A. Orlov, “Operation of prop hydraulic struts with sharply cambered roofs,” Ugol', No. 1 (1977).
4. A. M. Il'shtein et al., “Study of force parameters for OMKT type mechanical props and Kuznets Basin conditions,” Nauch. Soobsch. IGD im A. A. Skochinskogo, No. 53, Moscow (1976).
5. S. V. Mamontov, “Design of pit hydraulic props for dynamic loads,” Nauch. Soobshch. IGD im A. A. Skochinskogo, No. 25, Moscow (1965).