Petersen, Ulrich Viso-Aruri - Lima Editora Perú 1980 - pp. 399-414 - t.4, v.2 . Subjects--Topical Terms: GEOLOGIA ECONOMICAYACIMIENTOS FILONIANOS Subjects--Geographic Terms: HUAROCHIRILIMA Subjects--Index Terms: VISO-ARURI, YAC. Universal Decimal Class. No.: P/622(85)/S19|48