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|a Escobar, Juan María
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|a Desertificación en Chubut /
|c Juan María Escobar
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|a Trelew :
|b Instituto Nacional de Tecnologia Agropecuaria,
|c 1997
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|a 29 p
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|a Prodesar : demos un futuro a la Patagonia
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|a Registros migrados a formato MARC
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|a CHUBUT (ARGENTINA)
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|a ARGENTINA
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|a DESERTIFICACION
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