• [1]

    G. Pancheri et al., Phys. Lett., B151(1985), 453; B109(1985), 69;T. Siostand et al., Phys. Lett., B188(1987), 149;B. Andersson et al., Nucl. Phys., B281(1987), 289;A.Capella et al., Phys. Lett., B81(1979), 18; B114(1982), 450;S. Barshay, Phys. Lett., Bll6(1982), 193.[2] T. H. Burnett et al., (JACEE), Phys. Rev. Lett., 50(1983), 2062.[3] M. Adamas et al., (NA22), Phys, Lett., B185(1987), 200[4] M. I. Adamovich et al., (EMU01), Phys. Lett., B201(1988), 397.[5] A. Bialas and R. Peschanski, Nucl. Phys.,B203(1986), 703; B308(1988), 857; Phys. Lev., B207(1988),59.[6] R. Hwa, Preprint, OITS-404(1989).