@inproceedings{Zhang:2019Cs,
  author = "Zhang, Ying  and  Huang, J.  and  Chen, D.  and  Zhai, L.M.  and  Chen, Xu  and  Lin, Yu-Hui  and  Fang, Jian-Hua  and  Nakamura, Yoshiaki",
  title = "{Study of the sharp "knee" phenomenon of cosmic ray spectrum by using newly upgraded Tibet ASĪ³ experiment}",
  doi = "10.22323/1.358.0492",
  booktitle = "Proceedings of 36th International Cosmic Ray Conference {\textemdash} PoS(ICRC2019)",
  year = 2019,
  volume = "358",
  pages = "492"
}