@article{Zhu:20165z,
  author = "Zhu, Fengrong",
  title = "{Five-year correlation of the Sun shadow in cosmic rays observed by ARGO-YBJ with the Interplanetary Magnetic Field variabilit}",
  doi = "10.22323/1.236.0078",
  journal = "PoS",
  year = 2016,
  volume = "ICRC2015",
  pages = "078"
}