| Reference | {Deposit:: AHLFELD, F., 1954, LOS YACIMIENTOS MINERALES DE BOLIVIA: BAN}{Deposit:: MINERO DE BOLIVIA, LA PAZ, PG. 109-111, PRINTED IN BILBAO, S}{Deposit:: IMPRENTA INDUSTRIAL S. A., IN SPANISH.}{Deposit:: PEREIRA BASCOPE, G., 1968, INVESTIGACIONES PRELIM. SOBRE TEC}{Deposit:: Y METALOGEN. EN LAS CORD. REAL Y QUIMSA CRUZ: SER. GEOL. DE}{Deposit:: BOL. 9, LA PAZ, 99 PGS.}{Deposit:: TUNGSTEN PRODUCT SPECIFICATIONS, PRIMARY TUNGSTEN}{Deposit:: ASSOCIATION, LONDON.}{Deposit:: PRIMARY TUNGSTEN ASSOCIATION, QUARTERLY BULLETINS 1977-1981.}{Reserve-Resource:: ROSKILL INFORMATION SERVICES LTD., THE ECONOMICS OF TUNGSTEN}{Reserve-Resource:: *H EDITION 1990. P 48.} |