| 其他書名 | Hearing Before the Joint Economic Committee, Congress of the United States, Ninety-seventh Congress, First Session, May 20, 1981 |
| 出版 | U.S. Government Printing Office, 1981 |
| URL | http://books.google.com.hk/books?id=0hI_Rj1YtQIC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |