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Venera 7 Venera 4 Venera 1 Venera 14 Venera 2MV-2 No.1 Venera 9 Venera 12 Venera 2MV-1 No.2 Venera-D Venera 13Tài liệu tham khảo
WikiPedia: Venera_7 http://www.time.com/time/magazine/article/0,9171,9... https://archive.org/details/superpowerspacer0000re... https://archive.org/details/superpowerspacer0000re...