Camélidos silvestres sudamericanos : un plan de acción para su conservación / by Torres, Hernán

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Proceedings of the second Pan American scientific congress : the field for cyaniding in South America / by Megraw, Herbert A.

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Proceedings of the second Pan American scientific congress : buying and selling nonferrous metals of South America / by Vogelstein, Ludwig

Subjects: “…METALES NO FERROSOS-SUDAMERICA…”

Proceedings of the second Pan American scientific congress : the prospect for marketing South American zinc ore / by Ingalls, W. R.

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Asilo Oppie Koppie, Sudafrica = Oppie Koppie Creche, RSA / by Sowa, Axel

Proceedings of the second Pan American Scientific congress : status of magnetic surveys in south America / by Bauer, L. A.

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South America and hemisphere defense / by Rippy, J. Fred

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El registro de maderas fósiles de Leguminosae de Sudamérica by Pujana, Roberto R.

Proceedings of the second Pan American scientid congress : laws and regulations regarding the use of water in Pan American countries / by Brown, Rome G.

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Máximo térmico crítico en peces argentinos de agua dulce, Sudamérica by Gómez, Sergio E.

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Los géneros de Atherinidos (Pisces: Atherinidae) del Sur de Sudamérica. by Campos, Hugo

Ascidias del Sur de Sudamérica y de la Península Antártica. by Lagger, Cristian

Psoroma y géneros relacionados (Pannariaceae, Ascomycota Liquenizados) de Sudamérica: estudio taxonómico. by Passo, Alfredo

Segundo simposio de estudios irlandeses en Sudamérica [recurso electrónico] : Irlanda y América Latina : hacia nuevas perspectivas /

Proceedings of second Pan American scientific congress : South American forest resources and their relation to the world's timber supply / by Zon, Raphael

Subjects: “…RECURSOS FORESTALES-SUDAMERICA…”

Proceedings of the second Pan American scientific congress : how the aeroplane may effect closer alliance of the South American countries with the United States / by Santos-Dumont, Alberto

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Temperatura y mortandades masivas de peces en el sur de Sudamérica by González Naya, M. Jimena

Instituto en Ciudad del Cabo (Sudáfrica) = High School in Cape Town (South Africa) /

“…9723 Ciudad del Cabo (Sudáfrica)…”

Proceedings of the second Pan American Scientific congress : astronomical work in South America / by Bailey, Solon I.

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National laws - south africa, act of 1954.

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