CAD systems 
/ Proceedings of the IFIP working conference on computer-aided design systems 
 - Amsterdam:   North-Holland,   1977 
 - xiii, 456p. 
<br/><br/><label>ISBN: </label>0-7204-0472-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Proceedings
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.3.02(082.2)  / L7