TSIU-KWEN LEE2018-09-102018-09-102009http://www.scopus.com/inward/record.url?eid=2-s2.0-61449178734&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/347049application/pdf180050 bytesapplication/pdfjournal article10.1016/j.laa.2008.11.0072-s2.0-61449178734WOS:000264864400012