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. 247-26}{Other Database:: CIMRI}{Production:: JOHNSTON AND MOACYR DE VASCONCELOS (1943)} |