RECORD NICKEL PRODUCTION FROM MOA BAY LATERITE ORE IN 1967.1968; WORLD MING; USA; 1968(3), VOL. 21, NUM. 0003Miscellaneous

CUBAN MINING TODAY.MARTIN PETER.1969; WORLD MING; USA; 1969(1), VOL. 22, NUM. 0001, P. 50 A 53Miscellaneous

CUBAN NICKEL: ONE TO WATCH1973; METAL BULL.; G.B. ; 1973, NUM. 5784, P. 14Serial Issue

CUBA. NICKEL FORECASTS AND STRATEGIES.1977; METAL BULL. MONTH.; G.B.; DA. 1977; NO 84; PP. 33-43 (3P.)Article