_:B8f901ea8d095f8657917d4cf433a8c37 . "Rumen" . "Leonidov" . "Rumen Leonidov" . . . "Leonidov, Rumen" . . _:B8f901ea8d095f8657917d4cf433a8c37 . _:B8f901ea8d095f8657917d4cf433a8c37 . _:B8f901ea8d095f8657917d4cf433a8c37 "2023-05-19"^^ . _:B8f901ea8d095f8657917d4cf433a8c37 . _:B8f901ea8d095f8657917d4cf433a8c37 . _:B8f901ea8d095f8657917d4cf433a8c37 "298781050" . _:B8f901ea8d095f8657917d4cf433a8c37 . _:B8f901ea8d095f8657917d4cf433a8c37 . _:B8f901ea8d095f8657917d4cf433a8c37 .