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3. Apparatus for investigation of rocks in a triaxial state of stress. Part I. Characteristics of the apparatus and of the investigation method;Długosz;Arch. Min. Sci.,1981
4. Apparatus for investigation of rocks in a triaxial state of stress. Part II. Some investigation results concerning certain rocks;Długosz;Arch. Min. Sci.,1981
5. Compressibility of rocks with a special consideration given to pore pressure;Gustkiewicz,2020