| 其他書名 | Four New Dimensions : Paper ... Prepared for Delivery Before the Tenth Anniversary Convocation of the Center for the Study of Democratic Institutions, Fund for the Republic, January 22, 1963 |
| 出版 | U.S. Federal Communications Commission, 1963 |
| URL | http://books.google.com.hk/books?id=WKomAQAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |