| 其他書名 | Proceedings of the Meeting of the Subcommission on Carboniferous Stratigraphy, Sheffield, 1965 Sheffield : Subcommission on Carboniferous Stratigraphy : 1967 17-22 : Ill |
| 出版 | Subcommission on Carboniferous Stratigraphy, 1967 |
| URL | http://books.google.com.hk/books?id=fGtdMwEACAAJ&hl=&source=gbs_api |