@article{Liu:2015n3,
  author = "Liu, Yunxiang  and  Jie, Du  and  Hao, Wang  and  Lu, Jia",
  title = "{Application of A* Algorithm and Its optimization Method}",
  doi = "10.22323/1.259.0062",
  journal = "PoS",
  year = 2015,
  volume = "CENet2015",
  pages = "062"
}