Report of the National Union of Mineworkers Delegation :  trade unión and human rights in Chile & Bolivia /  Folleto 
National Union of Mineworkers. 
 - England :  National Union of Mineworkers,  [1977] 
 - 23 p. ;  24 cm. 
<br/><br/> Catalogación preliminar. 
<br/><br/><br/>Texto en inglés.