Agency, J. I. C. (1977). Report on the geological survey in the Urubamba river inferior area of the Republic of Peru. Final Report.
Citación estilo ChicagoAgency, Japan International Cooperation. Report On the Geological Survey in the Urubamba River Inferior Area of the Republic of Peru. Final Report. 1977.
Cita MLAAgency, Japan International Cooperation. Report On the Geological Survey in the Urubamba River Inferior Area of the Republic of Peru. Final Report. 1977.
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