TY  - BOOK
AU  - Head,George O.
AU  - Head,Jan Doster
TI  - 1000 AutoCAD tips & tricks
SN  - 8186340661 :
U1  - 620/.0042/02855369 
PY  - 1997///
CY  - New Delhi
PB  - Galgotiya
KW  - Computer graphics
N1  - Includes index
ER  -