| 其他書名 | Proceedings of a Workshop Held in Washington, D.C. on March 6 and 7, 1980 |
| 出版 | Resources for the Future, 1981 |
| 主題 | Business & Economics / International / GeneralNature / Natural ResourcesTechnology & Engineering / Agriculture / Forestry |
| ISBN | 08018263499780801826344 |
| URL | http://books.google.com.hk/books?id=crssAQAAMAAJ&hl=&source=gbs_api |