Tong, Y.L.L.Y.L.L.TongI-HSUN TSAI2018-09-102018-09-101995http://www.scopus.com/inward/record.url?eid=2-s2.0-21844500652&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/313809application/pdf1501906 bytesapplication/pdfjournal article10.1007/BF021046792-s2.0-21844500652WOS:A1995RR44200005