| 其他書名 | Hearing Before the Committee on Science and Technology, U.S. House of Representatives, Ninety-sixth Congress, First Session ... |
| 出版 | U.S. Government Printing Office, 1979 |
| URL | http://books.google.com.hk/books?id=lJ8qAAAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |