Helvaci, C. (1977). Geology, mineralogy and geochemistry of the borate deposits and associated rocks at the Emet Valley, Turkey.
Chicago-referens (17:e uppl.)Helvaci, Cahit. Geology, Mineralogy and Geochemistry of the Borate Deposits and Associated Rocks at the Emet Valley, Turkey. 1977.
MLA-referens (8:e uppl.)Helvaci, Cahit. Geology, Mineralogy and Geochemistry of the Borate Deposits and Associated Rocks at the Emet Valley, Turkey. 1977.
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