PISIN CHEN2019-12-262019-12-261995https://scholars.lib.ntu.edu.tw/handle/123456789/441258journal article10.1007/BF021082282-s2.0-21844484953https://www.scopus.com/inward/record.uri?eid=2-s2.0-21844484953&doi=10.1007%2fBF02108228&partnerID=40&md5=588bb8d6df113aa015be53e935cd0466