Wadley, Reed L. <br/><br/>
ON Secondary Sex Ratios and Coital Frequency with an Iban Case. 

 - Chicago-US :   Department of Human Sciences,   1997. 
 - p. 79-83 :   il. 
 - Trimestral 
 - Vol.38, no. 1(Feb. 1997) 
 - Current Anthropolgy ;   vol. 38 no. 1 .
 - Estados Unidos.   The University of Chicago Press. .
<br/><br/> Artículo dentro de: Discussion and Criticism. 
<br/><br/><br/>Inglés.