| 其他書名 | A Directory of Activities and Projects |
| 出版 | National Science Foundation/Research Applied to National Needs (R.A.N.N.), Division of Exploratory Research and Systems Analysis, 1977 |
| URL | http://books.google.com.hk/books?id=WetCAAAAIAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |