Lofstrom, William Lee <br/><br/>
Attitudes of an industrial pressure group in Latin America :   the asociacion de industriales mineros de Bolivia, 1925 - 1935 /   Libro 
William Lee Lofstrom.  
 - [S.l. :  s.n.],  1968. 
 - viii, 169 p. ;  28 cm. 
<br/><br/> Catalogación preliminar.  Thesis presented to the Faculty of the graduate school of Cornell University for the degree of Master of Arts. 
<br/><br/><br/>Texto en inglés.