TY  - BOOK
AU  - Smirnov,Vi︠a︡cheslav Konstantinovich
TI  - Boring practice
AV  - TJ1260 .S5813
U1  - 621.9/45 
PY  - 1967///
CY  - Moscow
PB  - Mir
KW  - Drilling and boring
KW  - Drilling and boring machinery
N1  - Translation of Tokarʹ-rastochnik
ER  -