RESULTATS DES ETUDES DES PROPRIETES DES ROCHES DANS LES CONDITIONS DE COMPRESSION HETEROGENE SUIVANT TROIS AXESCHIRKOV SE.1973; IN: ISSLED. PROCHN. DEFORM. GORN. POROD; MOSKVA; NAUKA; DA. 1973; PP. 113-134Book

ETUDE DE L'INFLUENCE DES FISSURES SUR LES CARACTERISTIQUES DE RESISTANCE ET DE DEFORMATION DES ROCHESCHIRKOV SE.1973; IN: ISSLED. PROCHN. DEFORM. GORN. POROD; MOSKVA; NAUKA; DA. 1973; PP. 135-150; 7 ILL.Book

NEW METHOD OF INVESTIGATING THE STREGTH PROPERTIES OF TYPICAL ROCKS IN SOME COAL AND SHALE DEPOSITS.KOJFMAN MI; CHIRKOV SE.1969; MECHANICAL.PROPERTIES.OF.ROCKS.ISRAEL.PROGRAM.SCI.TRANSLATIONS.; 1969, P. 87 A 96Miscellaneous

DETERMINATION OF STRENGTH AND ELASTIC PROPERTIES OF COUNTRY ROCK AND COAL OF THE LENINSK-KUZNETSK BITUMINOUS-COAL DEPOSITS OF THE KUZNETSK BASIN (KUZBASS).JAGODKIN GI; TEDER RI; CHIRKOV SE et al.1969; MECHANICAL.PROPERTIES.OF.ROCKS.ISRAEL.PROGRAM.SCI.TRANSLATIONS.; 1969, P. 64 A 73Miscellaneous