| 其他書名 | Hearing Before the Subcommittee on Science, Technology, and Space of the Committee on Commerce, Science, and Transportation, United States Senate, Ninety-sixth Congress, Second Session, on S. 1393 ... April 2, 1980 |
| 出版 | U.S. Government Printing Office, 1980 |
| URL | http://books.google.com.hk/books?id=3KPoyMy9ID0C&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |