TY  - BOOK
AU  -  Voisinet,Donald D .
TI  - Introduction to computer - aided drafting / 
U1  - 620.00420285 
PY  - 1986///
CY  - London : 
PB  - Mc-Graw Hill Book Company , 
KW  - computer - aided drafting
KW  - Computer aided design
ER  -