Garavelli A, Vurro F (1994) Barberiite, NH4BF4, a new mineral from Vulcano, Aeolian Islands, Italy, American Mineralogist 79, 381-384
Garavelli A, Vurro F (1994) Barberiite, NH4BF4, a new mineral from Vulcano, Aeolian Islands, Italy, 79, 381-384