"researcher"@en . "Siegfried Draeger"@en . "Siegfried Draeger"@en . . . "Siegfried Draeger"@en . "\uC5F0\uAD6C\uC6D0"@ko . "\u0434\u043E\u0441\u043B\u0456\u0434\u043D\u0438\u043A"@uk . . "\u7814\u7A76\u8005"@ja . . "ikertzailea"@eu . .