| 其他書名 | Background and Conditions for Changes ; Paper Presented at the Spitsbergen Symposium at the Arctic Centre, Groningen University, Netherlands, November 1-4 1978 |
| 出版 | Fridtjof Nansen Foundation at Polhøgda, 1978 |
| URL | http://books.google.com.hk/books?id=dq7YPgAACAAJ&hl=&source=gbs_api |