| 其他書名 | Pre-meeting and Post-meeting, North Central Section Geological Society of America, April 26-27, 1990, Macomb, Illinois |
| 出版 | Department of Geology, Western Illinois University, 1990 |
| ISBN | 09626130029780962613005 |
| URL | http://books.google.com.hk/books?id=kOg03EWP6kgC&hl=&source=gbs_api |