| 其他書名 | Hearings Before the Committee on Science, Space and Technology, U.S. House of Representatives, One Hundredth Congress, Second Session, September 23 and 27, 1988 |
| 出版 | U.S. Government Printing Office, 1989 |
| URL | http://books.google.com.hk/books?id=5w3m1JJ6qqYC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |