TY  - BOOK
AU  - LEA, John
AU  - DIMITRIU, Judith
TI  - Understanding and using AutoCAD
SN  - 0314499326
U1  - 006.6869CAD 
PY  - 1989///
CY  - NEW YORK
PB  - WEST PUBLISHING
KW  - COMPUTER AIDED DRAFTING
ER  -