TY  - GEN
AU  - Procket, Matheias
TI  - AutoCAD 11 : the trainer for beginners
SN  - 8185623848
U1  - 670.285 
PY  - 1991///
CY  - New Delhi
PB  - Galgotia publications
KW  - Data processing
KW  - Computer applications
ER  -