@article{Wang:2017+i, author = "Wang, Xin and Yin, Yi and Ding, Mingde and Wang, Na and Shan, Hao", title = "{Comparison of the energy spectra between single shock and converging double-shock}", doi = "10.22323/1.301.0102", journal = "PoS", year = 2017, volume = "ICRC2017", pages = "102" }