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	1.	No cover image available Organization of the mineralogic and petrographic collections at the Escuela Politécnica nacional, Quito, Ecuador by Feiniger, Tomas Material type: Article; Format: print Language: Eng Journal of geological education , 1974, p. 104-107: : ill., tab. Availability: Items available for loan: Biblioteca IFEA (1)Call number: Am.GeolF-24. Place hold
	2.	No cover image available K-Ar geochronology of basement rocks on the northern flank of the Huancabamba deflection, Ecuador by Feiniger, Tomas Silberman, Miles Material type: Text; Format: print ; Literary form: Not fiction Language: Eng Publication details: [S.l] : [s.n.], [19--] Availability: Items available for loan: Biblioteca IFEA (1)Call number: Am.GeolF-23. Place hold

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