@article{kobayashi1972,
  title={Photo-Neutral Vector Meson Couplings in the Relativistic Extended Quark Model},
  author={Tsunehiro Kobayashi},
  year={1972},
  journal={Progress of Theoretical Physics},
  doi={10.1143/ptp.48.335},
  url={https://doi.org/10.1143/ptp.48.335}
}