@article{agostini2015test,
  title={Test of electric charge conservation with borexino},
  author={Agostini, M and Appel, S and Bellini, G and Benziger, J and Bick, D and Bonfini, G and Bravo, D and Caccianiga, B and Calaprice, Frank and Caminata, A and others},
  journal={Physical review letters},
  volume={115},
  number={23},
  pages={231802},
  year={2015},
  publisher={APS}
}