| 其他書名 | Goddard Space Flight Center, 1970 ; the Proceedings of a Symposium Held at NASA Goddard Space Flight Center, January 13, 1971 |
| 出版 | Scientific and Technical Information Office, National Aeronautics and Space Administration, 1972 |
| URL | http://books.google.com.hk/books?id=GH5ZAQAACAAJ&hl=&source=gbs_api |