• [1]

    M. Akashi et al., Phys. Rev., D Vol. 24 (1981), 2353;J.R.Ren et al., Phys. Rev.,D Vol. 38 (1988), 1404.[2] Borisov A. S.et al.. Proc. of Int.Symp. on Cosmic Rays and PaUicle Phys. (1984, Tokyo); p154; Chiiinga-rian A. A. et al. Preprint No. 75,FIAN, 1988.[3] J.G.Rushbrooke, Preprint CERN-EP/W -178.[4] D. Cline et al., Phyr. Reu. Less., Vol. 31(1973), 491; L. K. Ding et al., Preprint 1CR Report 107-83-1; T.K. Gaisser and H, Halzen, Phys. Rev. Lett:, Vol. 54(1985), 1754; Q, Q. Zhu et al，Proc. of Int. Symp.on Cosmic Rays Superhigh Energy Interactions, (1986, Beijing) p. 7-1.[5] T. T. Chou et al., Phys. Rev. Less., Vol. 54 (1985), 510.[6] 丁林境等，高能物理与核物理Vol. 12(1988)，731.[7] Meng Ta-Chung, Phys. Rev., D Vol. 15(1977), 197.[8] Q. Q. Zhu et al., Preprint BIHEP-CR-8904.[9] 经才骆等，高能物理与核物理Vol. 10(19S6),636.[10] 和烃东等，高能物理与核物理Vol. 13(1989)，476: