Koide, Y. (1982). "Fermion-boson two-body model of quarks and leptons and cabibbo mixing". Lettere al Nuovo Cimento. 34 (8): 201–205. doi:10.1007/BF02817096. S2CID120885232.
Koide, Y. (1982). "Fermion-boson two-body model of quarks and leptons and cabibbo mixing". Lettere al Nuovo Cimento. 34 (8): 201–205. doi:10.1007/BF02817096. S2CID120885232.