1. Time factor in problems of rock strata mechanics;Sau̵stowicz;Przegl. górn.,1959
2. Conditions of Co-operation of the Rock Strata and Principles of Calculation of Longwall Face Supports;Borecki,1955
3. Influence of getting rate on the amount of strains and stresses in seam;Sau̵stowicz;Arch. górn.,1960
4. Method for determination of time stability of roofs on the basis of rheological testing of rocks (in Czech.);Kidybiński;Rudy,1964