GENERALISATION DES NOTIONS SUR LA DURETE DES ROCHES. CERTAINES LOIS DE LA DESTRUCTION DES ROCHES PAR DES FORCES CONCENTREES ET LEUR UTILISATION PRATIQUEKOJFMAN MI.1973; IN: ISSLED. PROCHN. DEFORM. GORN. POROD; MOSKVA; NAUKA; DA. 1973; PP. 151-161; 19 ILL.Book

QUICK COMBINED METHOD OF DETERMINING MECHANICAL PROPERTIES OF ROCKS.KOJFMAN MI.1969; MECHANICAL.PROPERTIES.OF.ROCKS.ISRAEL.PROGRAM.SCI.TRANSLATIONS.; 1969, P. 74 A 86Miscellaneous

DETERMINATION OF BRITTLENESS AND PLASTICITY OF ROCKS BY REPEATED INDENTATION.KOJFMAN MI; KVASHINA OI.1969; MECHANICAL.PROPERTIES.OF.ROCKS.ISRAEL.PROGRAM.SCI.TRANSLATIONS.; 1969, P. 150 A 158Miscellaneous

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

NOUVELLES DONNEES SUR LA PLASTICITE DES CRISTAUX D'HALITE, DE GYPSE ET DE CALCITE.KOJFMAN MI; SENATSKAJA GS; SOLOMINA IA et al.1969; DOKL. AKAD. NAUK S.S.S.R.; SUN; 1969, VOL. 184, NUM. 0005, P. 1174 A 1176Miscellaneous

NEW INFORMATION ON THE PLASTICITY OF HALITE, GYPSUM AND CALCITE CRYSTALS.KOJFMAN MI; SENATSKAJA GS; SOLOMINA IA et al.1969; DOKL. EARTH SCI. SECT.; USA; 1969, VOL. 184, P. 123 A 124Miscellaneous