| Reference | {Deposit:: REYNAUD, R., 1982, PRODUCTION AND MARKETING OF PORTUGUESE TUNGSTEN ORES. MA IN PRODUCTION CENTRES IN PORTUGAL, IN PORTUGAL - EUROPEAN COMMUNITIES, EUROPEAN TUNGSTEN SEMINAR, LISBON, 22-24 MARCH, 1982, 24 P.}{Deposit:: GOINHAS, J., AND VIEGAS, L., PROVINCIA METALOGENETICA ESTANIFERA E TUNGSTEN ICA IBERICA, REPUBLICA PORTUGUESA, DIRECCAO-GERAL DE GEOLOGIA E MINAS, ESTUDOS, NOTAS E TRABALHOS DO SERVICO DE FOMENTO MINEIRO, VOL. 25, FASC. 3-4, P. 170.} |