| 其他書名 | A Guide to Northeast Science and Technology |
| 出版 | Northeast Science & Technology, Ontario Ministry of Natural Resources, 1994 |
| 主題 | Nature / Natural Resources |
| ISBN | 07778119369780777811931 |
| URL | http://books.google.com.hk/books?id=oXAvAAAACAAJ&hl=&source=gbs_api |