"1948" . . . "Pentti Araj\u00E4rvi" . . . . . . . . . . . . . . . . . "Pentti_Araj\u00E4rvi" . "Pentti Araj\u00E4rvi" . . . "Dr. Pentti Araj\u00E4rvi" . . . . . . . . . "1948-06-02" . . . . . . . .