CHIEN-CHUNG CHEN2018-09-102018-09-102002http://www.scopus.com/inward/record.url?eid=2-s2.0-0036321715&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/298786The unique criterion constraint: A false alarm? (multiple letters)journal article2-s2.0-0036321715