TY  - BOOK
AU  - Luggen,William W.
TI  - Introduction to NC/CNC operation
SN  - 0471817430 (pbk.) :
U1  - 621.9/023�19 
PY  - 1986///
CY  - New York
PB  - Wiley
KW  - Machine-tools
KW  - Numerical control
ER  -