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Books about Portnova:
Melodii Belykh Nochei: Sbornik Pesen Georgiia Portnova I Avtolitografii Viktora Vil'nera = Melodies of White Nights...
Sportivnye igry: sovershenstvovanie sportivnogo masterstva. 5-e izd., ster. Pod red. Zheleznyaka Yu.D., Portnova... (2012)
Wiki information Portnova:
Zinaida Martynovna Portnova, commonly known as Zina Portnova was a Russian teenager, Soviet partisan and Hero of the Soviet Union.
Natalia Portnova is a screenwriter.