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- [34] INTEGRATION OF WEAK SIGNALS. Telecommunications and Radio Engineering (English translation of Elektrosvyaz and Radiotekhnika), 1981, 35-36 (01): : 104 - 105
- [39] IONOSPHERIC PARAMETERS DEDUCED FROM SATELLITE VHF TRANSMISSIONS REPORT OF NRL PROGRESS, 1969, (JAN): : 26 - &