Tsui, P.-H.P.-H.TsuiChang, C.-C.C.-C.ChangHuang, N.E.N.E.HuangCHIEN-CHENG CHANG2020-04-282020-04-282010https://scholars.lib.ntu.edu.tw/handle/123456789/485976journal article10.1142/S17935369100004102-s2.0-80052090213https://www.scopus.com/inward/record.uri?eid=2-s2.0-80052090213&doi=10.1142%2fS1793536910000410&partnerID=40&md5=a5e4a26556e8450d1ab7a30af2c9135b