|
Japan | |
| www.mineralmundi.com/japan.htm Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan) |
| Takeo Kato (1924) Japanese Journal of Geology and Geography, 3, #2, 59-69. |
| Akira Kato (2011) Explanations of distributed specimens at the Ordinary Meeting of Mumeikai Group, No. 34 (January, 20011). |
| Matsueda, H. et al (2000) Journal of the Mining College, Akita University, Ser. A, Mining Geology, 8, #3, 129-150. |