. . "wetenschapper"@nl . "Takashi Kumada"@nl . "researcher (ORCID 0000-0003-2211-495X)"@en . "0000-0003-2211-495X" . . "Takashi Kumada"@nl . "Takashi Kumada"@en . . . "Takashi_Kumada" . "Takashi Kumada"@en . "Takashi Kumada"@nl . . . . "\u0434\u043E\u0441\u043B\u0456\u0434\u043D\u0438\u043A"@uk . "Takashi Kumada"@en .