1.- MADRID: COTEC, 1999 Ver registro 2.- \\ESPAGNE. MINERAI DE FER: SUPERPRIORITE A L'EXPANSION. 1972 USINE NOUV., Ver registro 3.- \\HIGH HOPES FOR SPANISH QUICKSILVER. 1971 METAL BULL. MONTH., Ver registro 4.- \\LATEST SPANISH LEAD FIGURES. 1976 METAL BULL.!G.B.? Ver registro 5.- \\LEAD ZINC. SPANISH DEVELOPMENT 1972 METAL BULL.!G.B.? Ver registro 6.- \\L'ECONOMIE CHARBONNIERE ESPAGNOLE. 1972 BUR. EUROP. INFORM. CHARBON., NOUV. COMMENT., Ver registro 7.- \\LIGHT METALS - SPAIN'S 1973 ESTIMATES. 1973 METAL BULL.!G.B.? Ver registro 8.- \\MERCURY PRODUCERS FIGHTING BACK. PRICES ARE MUCH FIRMER AS LESS MATERIAL IS AVAILABLE FROM MERCUREY MINERS. 1972 METALS WEEK, Ver registro 9.- \\MERCURY PRODUCERS FORM OFFICIAL ORGANIZATION. 1975 METALS WEEK!U.S.A.? Ver registro 10.- \\PLAN NACIONAL DE LA MINERIA. EDICION RESUMIDA. I. II. III.!(PLAN NATIONAL DE L'INDUSTRIE MINIERE. EDITION RESUMEE. I. II. III.).? 1971 Ver registro
MADRID: COTEC, 1999