Friedl, Ernestine. <br/><br/>
Sex the invisible. 

 - Arlington-XXU :   American Anthropologist Association,   1994. 
 - p. 833-844 
 - Trimestral 
 - vol. 96, no. 4(Dec. 1994) 
 - American anthropologist ;   vol. 96, no. 4 .
<br/><br/><br/>Inglés.