THE INFLUENCE OF SELECTED FACTORS UPON THE VALUE OF EXTERNAL FRICTION CONCERNING PLANT GRANULAR MATERIALS Journal title: Tribologia Authors: Artur WÓJCIK, Jarosław FRACZEK Subject(s):
THE CONCEPTUAL APPROACH TO THE CREATION OF THE SURFACE-MODIFIED LAYERS AND PROTECTIVE COATINGS OF THE INCREASED WEAR RESISTANCE Journal title: Проблеми тертя та зношування Authors: O. I. DUKHOTA Subject(s):