| 其他書名 | Hearings Before the Subcommittee on Science, Research, and Technology of the Committee on Science, Space, and Technology, House of Representatives, One Hundredth Congress, First Session, February 19, 25; March 11, 24, 1987 |
| 出版 | U.S. Government Printing Office, 1987 |
| URL | http://books.google.com.hk/books?id=eoDiskczABIC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |