. . "Tieniu N. Tan" . "Tieniu N. Tan" . . . "N." . "tie Tan tie niu" . "Tieniu Tan"@en . . "Tan tie niu" . "谭铁牛" . "谭铁牛" . . . "谭铁牛" . . "tie" . "Tieniu"@en . "Tan"@en . "1964" . . "Tieniu N." .