TY  - BOOK
AU  - Head, George O.
AU  - Head, Jan Doster.
TI  - 1000 autocad: : tips and tricks 
U1  - 620.00420285 1
PY  - 1990///
CY  - New Delhi
PB  - Galgotia Publications Pvt Ltd
KW  - Autolisp programs
KW  - Basic layers blocks attributes
KW  - Basic inquiry text annotation
ER  -