Browsing by Author Chumpitaz C., Manuel
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| Preview | Issue Date | Title | Author(s) |
|---|---|---|---|
 | 1998 | Geología de los cuadrángulos de Uracusa y Cachiyacu 10-g y 11-h – [Boletín A 117] | Cerrón Zeballos, Fredy; Galloso Carrasco, Armando; Chumpitaz C., Manuel |
