TY  - BOOK
AU  - Rooney, Joe.
AU  - Steadman, Philip.
TI  - Principles of computer-aided design
SN  - 0273026720
AV  - TS 174 .C66 1987 
PY  - 1987///
CY  - London
PB  - Pitman publishing
KW  - Computer aided design
N1  - includes index
ER  -