Kostlan, J <br/><br/>
Oral health services in Europe 

 - Copenhagen:   World Health Organization,   1979 
 - 141p. 
 - WHO regional publications European series no. 5 .
<br/><br/><label>ISBN: </label>92-9020-105-3 
<br/><br/><label>Universal Decimal Class. No.: </label>616.31(4)  / L9