Bergeson, H.E.H.E.BergesonCassiday, G.L.G.L.CassidayTING-WAI CHIUCooper, D.A.D.A.CooperElbert, J.W.J.W.ElbertLoh, E.C.E.C.LohSteck, D.D.SteckWest, W.J.W.J.WestLinsley, J.J.LinsleyMason, G.W.G.W.Mason2018-09-102018-09-101977http://www.scopus.com/inward/record.url?eid=2-s2.0-4243643039&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/331678journal article10.1103/PhysRevLett.39.8472-s2.0-4243643039