| 其他書名 | proceedings of the 13th General Meeting of the International Mineralogical Association, IMA, Varna, September 19th-25th 1982 |
| 出版 | Publishing House of the Bulgarian Academy of Sciences, 1986 |
| URL | http://books.google.com.hk/books?id=EVlPmgEACAAJ&hl=&source=gbs_api |