|
Romania | |
| Pál Molnár, E. (2000): Hornblendites and diorites of the Ditró syenite massif. University of Szeged, Szeged Hungary, 172 p. |
| Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp. |
| Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp. |