| 其他書名 | Report to the Committee on Science, Space, and Technology, U.S. House of Representatives, One Hundredth Congress, Second Session |
| 出版 | U.S. Government Printing Office, 1989 |
| URL | http://books.google.com.hk/books?id=FtXgf0WoYzoC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |