Preston, Edward J. <br/><br/>
CAD/CAM systems :  justification, implementation, productivity measurement / 
Edward J. Preston, George W. Crawford, Mark E. Coticchia. 
 - New York :  M. Dekker,  1984. 
 - 358 p. :  ill. ;  24 cm. 
 - Mechanical engineering ;  33. .
<br/><br/>Bibliography : p. 310-311. 
<br/><br/><label>ISBN: </label>0824772571 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CAD/CAM systems.