TY  - GEN
AU  - Omura, George
TI  - AutoCAD instatnt reference
U1  - 670.285 
PY  - 1989///
CY  - New Delhi
PB  - BPB publications
KW  - Manufatcturing
KW  - Computer applications
KW  - Data processing
KW  - Autocad
ER  -