TSIU-KWEN LEEZhou, Y.Y.Zhou2018-09-102018-09-102009http://www.scopus.com/inward/record.url?eid=2-s2.0-67649135203&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/347050application/pdf141292 bytesapplication/pdfjournal article10.1142/S021949880900331X2-s2.0-67649135203WOS:000267119100002