TY - Front. Phys. A1 - Qiang Yuan, Bing-Qiang Qiao, Yi-Qing Guo, Yi-Zhong Fan, Xiao-Jun Bi T1 - Nearby source interpretation of differences among light and medium composition spectra in cosmic rays Y1 - 2021-04-15 JF - Frontiers of Physics JO - Front. Phys. SP - 24501 EP - VL - 16 IS - 2 UR - https://journal.hep.com.cn/fop N1 - 10.1007/s11467-020-0990-4 ER -