La encrucijada del cobre
By: [por] Mario Vera [y] Elmo Catalʹan
Contributors: Catalán, Elmo, author; Confederación Nacional de Trabajadores del Cobre
Publisher: Prensa Latinoamericana
Published: 1965
Place of publication: Santiago de Chile]
Language: spa
Number of pages: 142
Subjects: Copper industry and trade
Notes: At head of title: Confederaciʹon Nacional de Trabajadores del Cobre.