GERARD JENNHWA CHANG2018-09-102018-09-102007http://www.scopus.com/inward/record.url?eid=2-s2.0-34548064851&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/329035journal article10.1007/s10878-007-9068-2