Legislación minera (1900-1947)
Subtitle: Depurada, sistematizada y concordada, incluídos el Código y reglamentos.
Contributors: Posadas, Efrén, comp.; Posadas, Tobías, joint comp.
Published: 1948
Place of publication: Lima
Language: spa
Number of pages: 218
Subjects: Mining law -- Peru.
Notes: Compilers' names, Efrén y Tobías Posadas, at head of title.