| 其他書名 | Hearing Before the Committee on Energy and Natural Resources, United States Senate, One Hundred First Congress, First Session ... November 14, 1989 |
| 出版 | U.S. Government Printing Office, 1990 |
| URL | http://books.google.com.hk/books?id=hta7_Iy-8ssC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |