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	1.	No cover image available Nuevos aportes al conocimiento del Paleozoico del Ecuador by Zamora, Alfredo Pothe de Baldis, Elba Material type: Article; Format: print Language: Spa In: Minería ecuatoriana 1, 1988, p. 54 : ill. Availability: No items available.
	2.	No cover image available Aspectos generales sobre la evolución precámbrica y paleozoica del Ecuador by Zamora, Alfredo Material type: Article; Format: print Language: Spa In: Minería ecuatoriana 3, 1994, p. 21-23: : ill. Availability: No items available.

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