| Hawthorne, F. C., Ungaretti, L., Oberti, R., Bottazzi, P., Czamanske, G. K. (1993) Li: an important component in igneous alkali amphiboles. American Mineralogist, 78. 733-745 Hawthorne, Frank C., Ungaretti, Luciano, Oberti, Roberta, Bottazzi, Piero, Czamanske, Gerald K. (1993) Li: An important component in igneous alkali amphiboles. American Mineralogist, 78 (7-8) 733-745 |