Title: O volfrâmio de Arouca no contexto da Segunda Guerra Mundial (1939-1945)
Subjects: Tungsten industry, History, Tungsten mines and mining, Foreign relations, Foreign economic relations, World War, 1939-1945, Economic aspects
Places: Portugal, Arouca (Aveiro), Arouca (Aveiro, Portugal)
Time periods: 1933-1974, 20th century