TY  - GEN
AU  - Thomas, Robert M.
TI  - Advanced AutoCAD: release 12
U1  - 670.285 
PY  - 1993///
CY  - New Delhi
PB  - BPB publications
KW  - AUTOCAD
KW  - MANUFACTURING
KW  - COMPUTER APP;ICATIONS
KW  - DATA PROCESSING
ER  -