@article{castellani1997solar,
  title={Solar neutrinos: Beyond standard solar models},
  author={Castellani, Vittorio and Degl'Innocenti, Scilla and Fiorentini, G and Lissia, M and Ricci, B},
  journal={Physics Reports},
  volume={281},
  number={5-6},
  pages={309--398},
  year={1997},
  publisher={Elsevier}
}