| 其他書名 | joint hearing before the Subcommittee on Science, Technology, and Space of the Senate Committee on Commerce, Science, and Transportation and the Subcommittee on Science, Research, and Technology of the House Committee on Science and Technology ... |
| 出版 | U.S. Government Printing Office, 1978 |
| URL | http://books.google.com.hk/books?id=R01KAQAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |