Browsing by Author Holguin, Bolivar
Showing results 1 to 1 of 1
| Issue Date | Title | Author(s) |
|---|---|---|
| 2009-02-17 | Pretratamiento por tostación de concentrados sulfurosos de flotación del sector de Ponce Enriquez | Holguin, Bolivar; Eguez Alava, Hugo |