| 其他書名 | Hearings Before the Subcommittee on Science, Research, and Technology of the Committee on Science and Technology, U.S. House of Representatives, Ninety-eighth Congress, Second Session, on H.R. 4974, February 3, 9, 28, 29; March 21, 1984 |
| 出版 | U.S. Government Printing Office, 1984 |
| URL | http://books.google.com.hk/books?id=KxIrAAAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |