| Reference | {Deposit:: JOHNSTON, W.D., JR; AND MOACYR DE VASCONCELOS, E.F., 1943, TUNGSTENIO NA PARAIBA E RIO. GRANDE DO NORTE: MINERACAO E METALURGIA, V.7, NO 41, P. 247-260}{Other Database:: CIMRI}{Production:: JOHNSTON AND MOACYR DE VASCONCUELOS (1943)} |