Proceedings of the second Pan American scientific congress : recientes adelantos en la práctica metalúrgica en el Perú / by Fort, Michel

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Proceedings of the second Pan American scientific congress : the relation of mining to the Pan American countries, with special reference to the mineral resources of Peru / by Pezet, Federico A.

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Proceedings of the second Pan American scientific congress : la industria del petróleo en el Perú durante 1915 / by Deustua, Ricardo A.

Subjects: “…INDUSTRIA DEL PETROLEO-1915-PERU…”

Proceedings of the second Pan American scientific congress : edad de los fósiles peruanos / by Lisson, Carlos I.

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Proceedings of the second Pan American scientific congress : the fuel situation in the Andean Plateaus / by Miller, Benjamin Leroy

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