. . "P. L" . . "Pinglin" . "Alan Liu" . . "Ping-lin" . "Alan Ping-lin Liu"@nl-NL . "Liu, Alan Ping-lin (Alan P.L.)" . "Alan P.L Liu" . "Liu"@fr-FR . "Liu"@en . "1937" . . "Alan P. L. Liu"@en . "Alan P. L. Liu" . . . "Liu Ping-lin" . "P. L."@en . "Alan"@en . "Alan P. L Liu"@ja-JP . "アラン・P. L" . . "P." . "Pinglin Liu" . "Alan P. Liu" . "Pinglin Liu" . . . "Ping-lin" . "Alan Ping Lin Liu" . . "P`ing-lin" . "P.L" . "リュー" . "Pʻing-lin Liu" . "Pʻing-lin" . "Alan P. Liu"@de-DE . "Liu" . . "P`ing-lin Liu" . . "アラン・P. L リュー" . . "Liu" . "Alan P." . "Ping-lin Liu" .