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Spain | |
| Moro, M.C., Cembranos, M.L., and Fernandez, A. (2001): Canadian Mineralogist 39, 1039-1051. |
| Moro, M.C.,Cembranos,M.L. y Fernandez,A. (2001) Celsian, (Ba,K)-feldspar and cymrite from SEDEX barite deposits of Zamora, Spain. The Canadian Mineralogist, 39, 1039-1051 |