ЯКИМ, Р. С. BASIC PRINCIPLES OF CONSTRUCTION IMPROVEMENT OF THE INSERTED HARD-FENCING ALLOYED EQUIPMENT OF THREE-CONE ROCK BITS. Oil and Gas Power Engineering, [S. l.], n. 1(14), p. 22–28, 2011. Disponível em: https://nge.nung.edu.ua/index.php/nge/article/view/132. Acesso em: 4 may. 2024.