分面浏览：出处 |
| 当前检索式 | ((ALL：Fred Nelson)) |
| 限定条件 | ((来源机构：International Institute for Environment and Development (United Kingdom))) |
| IIED Briefing Papers 5 | Drylands Issue Paper 146 2 | Natural Resource Issues 18 2 |
| Drylands Issue Paper E131 1 | Drylands Issue Paper F131 1 | Land, investment and rights 1 |
