The Periodontal ligament in health and disease / 
editors, B.K.B. Berkovitz, B.J. Moxham, H.N. Newman. 
 - [Place of publication not identifed] :  [publisher not identified],  c1982 
<br/><br/><label>ISBN: </label>80244122 
<br/><br/><label>LC Class. No.: </label>RK 305 .B51 1982