"嚴杰" . "严杰" . "严" . "Yan, Jie"@nl-NL . "YAN" . "嚴傑" . "Yan"@en . "严杰" . . "杰" . "1951" . "Yan Jie" . "JIE YAN" . "Jie Yan" . "Jie"@en . . "Jie Yan"@en . "Yan jie" . . "严杰" . . "严杰" . "Yan jie" . "JIE" . "嚴傑" . . . . "杰 严" . "嚴杰" . . . .