Ray, George Egon. <br/><br/>
Precision attachments / 
by G. E. Ray. 
 - Bristol :  J. Wright,  1969. 
 - 55 p. :  ill. ;  23 cm. 
<br/><br/> Distributed in the U.S.A. by the Williams & Wilkins Co., Baltimore. 
<br/><br/>Bibliography: p. 55. 
<br/><br/><label>ISBN: </label>0723602212 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Partial dentures.