An outline of dental materials and their selection / 
edited by William J. O'Brien and Gunnar Ryge. 
 - [Place of publication not identifed] :  [publisher not identified],  c1978 
<br/><br/><label>ISBN: </label>721668968 
<br/><br/><label>LC Class. No.: </label>RK 652.5 .Q97 1978