| 其他書名 | Joint Hearing Before the Subcommittee on Research and Technology & Subcommittee on Oversight, Committee on Science, Space, and Technology, House of Representatives, One Hundred Fourteenth Congress, First Session, February 12, 2015 |
| 出版 | U.S. Government Publishing Office, 2015 |
| URL | http://books.google.com.hk/books?id=IcCtQoswK8oC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |