Jessel,Levic <br/><br/>
The ethnic process  an evolutionary concept of languages and peoples 

 - New York  mouton Publishers   1978 
 - 275p. 
<br/><br/><label>ISBN: </label>9027976031 
<br/><br/><label>Subjects--Index Terms: </label>ethnicism  ethnic process 
<br/><br/><label>Dewey Class. No.: </label>301.21   / JES