"John Koomen"@ast . . "John Koomen"@nl . . "\u0434\u043E\u0441\u043B\u0456\u0434\u043D\u0438\u043A"@uk . . "\u044D\u0440\u0434\u044D\u043C\u0442\u044D\u043D"@mn . . . . . . . "\u7814\u7A76\u8005"@ja . . "John Koomen"@en . "0000-0002-3818-1762" . "John Koomen"@en . . . . "John Koomen"@nl . "John Koomen"@nl . . . . . "John Koomen"@ast . "researcher"@en . "ara\u015Ft\u0131rmac\u0131"@tr . "\uC5F0\uAD6C\uC6D0"@ko . . "John Koomen"@en . "wetenschapper"@nl . . "John Koomen"@ast .