Ryan, Daniel L., 1941- <br/><br/>
Computer-aided graphics and design 
Daniel L. Ryan 
 - 2nd ed., rev. and expanded 
 - New York  M. Dekker  1985 
 - 398p. ill. 23cm 
 - Mechanical engineering  38 .
<br/><br/>Includes index Bibliography: p 
<br/><br/><label>ISBN: </label>0824773055 
<br/><br/><label>LCCN: </label>85-7019 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer graphics<br/>Computer-aided design