TY  - BOOK
AU  - Watson, Judy A.,
TI  - Cadd excercises in technical graphics: Coordinated with concepts of technical graphics 
SN  - 0536918670
AV  - TA345 W37
PY  - 1990///
CY  - Boston
PB  - Pws-kent
KW  - Diseño asistido por computadora
KW  - Manuales
ER  -