Ethnic groups and boundaries :  the social organization of culture difference / 
edited by Fredrik Barth 
 - Boston :  Little Brown & Co.,  1969 
 - 153 p. ;  21 cm. 
<br/><br/>Biblogarphy : p. 145-153 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethnic groups<br/>Ethnic barriers