| 其他書名 | Hearings Before the Subcommittee on Science, Research, and Technology of the Committee on Science and Technology, U.S. House of Represetatives, Ninety-sixth Congress, First Session, June 19, 21, July 11, 1979 |
| 出版 | U.S. Government Printing Office, 1979 |
| URL | http://books.google.com.hk/books?id=H1MrAAAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |