| 其他書名 | Trenton Transition Near Quebec City : a Case for an Ordovician Global Change? : Field Trip A8 Guidebook : 17 May 1998 |
| 出版 | Geological Association of Canada/Mineralogical Association of Canada, 1998 |
| URL | http://books.google.com.hk/books?id=FiQeAQAAMAAJ&hl=&source=gbs_api |