Westley Mosher, Steven. <br/><br/>
Birth seasonality among peasant cultivators :  

 - California :   Stanford University,   1979. 
 - 151-181 p. ;   28 cm. 
<br/><br/> Fotocopia.  Engrampado. 
<br/><br/>
<br/><br/><br/>Ingles. 
<br/><br/><label>Dewey Class. No.: </label>613