• [1]

    Parnir Collaboration, Proceedings of lnternarional Symposium on Superhigh Energy Cosmic Ray lnteraction,(lSSECKI), Beijing, (1986), 4-29.[2] Azimov S. A. et al., Proceedings of 18th ICRC, 5(1983), 458.[3] Dunaevsky A. M. et al., Proceedings of 18th ICRC, 5(1983), 449.[4] Ding Linkai et al., Proceedings of ISSECRI, Beijing, (1986), 3-49.Zhu Qingqi et al., Chinese Phys. Lett., 3(1936), 289.[5] LA4 Collaboration, CERN-EP/85-154.J. G. Rushbrooke, CERN-EPIS5-178.[6] T. T. Chou and C. N. Yang, Phys. Rev., D32(1985), 1692.[7] Pamic Collaboration, Proceedings of 14th ICRC, Munich, (1975), 2370.[8] 经才骝等,高能物理与核物理,10(1986)636.[9] He Yudong et al., Proceedings of ISSECRI, Beijing, (1986). 3-58.[10] S. G. Bayburina et al., Nucl. Phys., B191(1981), 1.