| 其他書名 | Ionospheric Communications Analysis and Prediction Program User's Manual |
| 出版 | U.S. Department of Commerce, National Telecommunications and Information Administration, 1983 |
| URL | http://books.google.com.hk/books?id=2YpWAAAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |