| 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-fourth Congress, First Session, January 29, 30, 1975 |
| 出版 | U.S. Government Printing Office, 1975 |
| URL | http://books.google.com.hk/books?id=_xcrAAAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |