| 其他書名 | Proceedings of a Conference Held at Greenbelt Marriott Hotel, Greenbelt, Maryland, USA, November 15-18, 1994 |
| 出版 | National Aeronautics and Space Administration, Goddard Space Flight Center, 1994 |
| URL | http://books.google.com.hk/books?id=2J1YAAAAYAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |