| 其他書名 | Proceedings of a Conference Sponsored by NASA Goddard Space Flight Center at Goddard Space Flight Center, Greenbelt, Maryland |
| 出版 | National Aeronautics and Space Administration, Goddard Space Flight Center, 1999 |
| URL | http://books.google.com.hk/books?id=wALlAAAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |