Detlef Langer, Erick. <br/><br/>
Trade Routes and Commercialization of Barley in Yamparaez, 1890-1930. 

 - Manchester :   University of Manchester,   1982. 
 - 20 p. :   il. ;   28 cm. 
<br/><br/> Fotocopia. 
<br/><br/>
<br/><br/><label>Subjects--Index Terms: </label>COMERCIALIZACION YAMPARAES, CHUQUISACA 
<br/><br/><label>Dewey Class. No.: </label>305.884