| 其他書名 | Economic Diversification for Northern California |
| 出版 | Institute of Governmental Studies, University of California, Berkekey, 1986 |
| 主題 | Technology & Engineering / Agriculture / Forestry |
| ISBN | 08777230799780877723073 |
| URL | http://books.google.com.hk/books?id=z3JGAQAAMAAJ&hl=&source=gbs_api |