著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Riccardo Barbieri and Leonardo Giusti and Lawrence J. Hall and Andrea Romanino,Fermion masses and symmetry breaking of a U(2) flavour symmetry,Nuclear Physics B,0550-3213,Elsevier BV,1999-06,550,1-2,32-40,https://cir.nii.ac.jp/crid/1360576121971861888,https://doi.org/10.1016/s0550-3213(99)00195-9