Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) W. Grimus and L. Lavoura,μ–τ interchange symmetry and lepton mixing,Fortschritte der Physik,0015-8208,Wiley,2012-10-11,61,4-5,535-545,https://cir.nii.ac.jp/crid/1360011144956525312,https://doi.org/10.1002/prop.201200118