Browsing by Author Proaño, Gaston, director
Showing results 1 to 1 of 1
| Issue Date | Title | Author(s) |
|---|---|---|
| 1992 | Estudio geotectónico en el frente montañoso de playas de Juan Montalvo | Valdiviezo Valenzuela, Carla Azucena; Proaño, Gaston, director |