Ryan, Daniel L.,   1941- <br/><br/>
Modern graphic communications :   a CAD approach / 
Daniel L. Rya n. 
 - Englewood Cliffs, N.J. :   Prentice-Hall,   c1986. 
 - ix, 358 p. :   ill. ;   29 cm. 
<br/><br/>  Includes index. 
<br/><br/><label>ISBN: </label>0135948398 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Computer graphics.<br/> Computer-aided design.
<br/><br/><label>Dewey Class. No.: </label>006.6