Bodenlos, Alfred J. Tuco Chira - Lima Editora Perú 1980 - pp. 831-837 - t.4, v.2 . Subjects--Topical Terms: YACIMIENTOS MINERALES Subjects--Geographic Terms: ANCASHCORDILLERA BLANCA Subjects--Index Terms: TUCO CHIRA Universal Decimal Class. No.: P/622(85)/S19|52