1. Strukturgeologie;Ashgirei,1963
2. The mathematical theory of equilibrium cracks in brittle fracture;Barenblatt,1962
3. Basic Problems in Geotectonics;Beloussov,1962
4. Breaking tests under hydrostatic pressure and conditions of rupture;Bridgman;Phil. Mag.,1912
5. Studies in Large Plastic Flow and Fracture;Bridgman,1952