| 其他書名 | Proceedings, August 24 and 25, 1983, Montana State University, Bozeman, Montana |
| 出版 | Canadian Plains Research Center, University of Regina, 1983 |
| 主題 | Nature / RegionalScience / Life Sciences / Ecology |
| ISBN | 08897702989780889770294 |
| URL | http://books.google.com.hk/books?id=CIUMAQAAMAAJ&hl=&source=gbs_api |