Diallo, Helga. <br/><br/>
On Wana-Wana in the Sahel Zone of Upper Volta A Letter by. 

 - Viena-AU :   Committee's Secretariat c/o Institut fr Völkerkunde, Universit„tsstraáe,   1981. 
 - p. 69-70 
 - Anual 
 - No. 23 (1981) 
 - Bulletin of the International Committee on Urgent Anthropological and Ethnological Research ;   no. 23 .
 - Austria.   International Committee on Urgent Anthropological and Ethnological Research. .
<br/><br/><br/>Art¡culo en inglés.