TY  - BOOK
AU  - Wolf,Pieter van der
TI  - CAD frameworks: principles and architecture 
SN  - 0792395018 :
U1  - 620.00420285 
PY  - 1994///
CY  - Boston
PB  - Kluwer Academic Pub.
KW  - Computer-aided design
KW  - Frames (Information theory)
N1  - Includes bibliographical references and index
ER  -