TY  - BOOK
AU  - Barron, Charles H.
TI  - Numerical control for machine tools
SN  - 0070038244
U1  - 621.902 
PY  - 1971///
CY  - New York
PB  - McGraw-Hill
KW  - Machine-tools
KW  -  Numerical control
N1  - Includes bibliographical references: p. 237-239
ER  -