Borredon, R. Composition des sphalerites du district minier de Hualgayoc (Perou) - Berlin Springer October 1983 - pp. 437-442 ISSN: 0026-4598 Subjects--Topical Terms: COMPOSICION QUIMICAESFALERITAMINERALOGIA Subjects--Geographic Terms: PERUCAJAMARCA Subjects--Index Terms: HUALGAYOC