El Laja: un río creador.
By: Con colaboraciones de Carlos Keller. Prólogo de Hugo Sievers.
Contributors: Keller R., Carlos 1898-1974.
Series: Enciclopedia moderna de Chile. Tratados
Publisher: Editorial Jerónimo de Vivar
Published: 1971
Place of publication: [San Felipe, Chile]
Language: spa
Number of pages: 335
Subjects: Industries -- Chila -- Laja River Valley.; Laja River, Chile.; Laja Valley, Chile -- History.
Notes: Bibliography: p. 323-325.