| 其他書名 | Hearing Before the Subcommittee on Parks and Recreation of the Committee on Energy and Natural Resources, United States Senate, Ninety-fifth Congress, First Session, on S. 975 ... June 8, 1977 |
| 出版 | U.S. Government Printing Office, 1977 |
| URL | http://books.google.com.hk/books?id=oxcTfweOGMIC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |