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- [4] BISTATIC-RADAR INVESTIGATION OF VENUS USING COSMIC PROBES VENERA-9 AND VENERA-10 RADIOTEKHNIKA I ELEKTRONIKA, 1976, 21 (09): : 1808 - 1815
- [5] NONTHERMAL HYDROGEN POPULATION OBSERVED IN UPPER-ATMOSPHERE OF VENUS WITH VENERA-9 AND VENERA-10 TRANSACTIONS-AMERICAN GEOPHYSICAL UNION, 1977, 58 (08): : 749 - 749
- [10] PRELIMINARY VENUS GRAVITY ANALYSIS BASED ON VENERA-9 AND VENERA-10 ORBITAL ELEMENTS TRANSACTIONS-AMERICAN GEOPHYSICAL UNION, 1977, 58 (12): : 1118 - 1118