| 其他書名 | A Collection of Papers Presented at the Third Winter Meeting of the Ohio Oil and Gas Association in Columbus, Ohio, February 20, 1959 |
| 出版 | State of Ohio, Department of Natural Resources, Division of Geological Survey, 1956 |
| URL | http://books.google.com.hk/books?id=uD62uwEACAAJ&hl=&source=gbs_api |