| 其他書名 | Hearing Before the Committee on Science, Space, and Technology, House of Representatives, One Hundred Thirteenth Congress, First Session, Tuesday, June 18, 2013 |
| 出版 | U.S. Government Printing Office, 2013 |
| URL | http://books.google.com.hk/books?id=2pf0Ojc3mCwC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |