Dumond, Don E.. <br/><br/>
A Chronology of Native Alaskan Subsistence Systems. 

 - Osaka-JA :   National Museum of Ethnology,   1980. 
 - p. 23-47 
 - Irregular 
 - No. 4, (1980) 
 - Senri Ethnological Studies ;   no. 4 .
 - Japón.   National Museum of Ethnology. .
<br/><br/> Warfare among East African Herders. 
<br/><br/><br/>Art¡culo en inglés.