. . "Vainu Bappu" . . . "M.K" . "M.K. Vainu Bappu" . "M.K." . . "M." . "K. Vainu" . "Bappu" . "M.K. Vainu Bappu"@nl-NL . "M. K. Vainu Bappu" . "Vainu" . "M.K Vainu Bappu" .