| 其他書名 | Investigation Regarding the Relationship Between Land Degradation and Climate in the Central Sudan |
| 出版 | University of Lund, Sweden, Department of Physical Geography, 1983 |
| ISBN | 91400484979789140048493 |
| URL | http://books.google.com.hk/books?id=k1TuAAAAMAAJ&hl=&source=gbs_api |