• [1]

    H. J. Behrend et al., Z. Phys,C16(19831; 301); Batel et al., Phys.Lett., 108B (1982), 160 and DESY 83-035; B. Adeva et al.Phys. Rev. Lett., 48(1982), 1701; E. Fernandez et al., Phys.Rev. Lett., 50(1983), 1238.[2] B. Adeva et al., Phys. Rev. Lett., 48(1982),721; H-J. Behrend et al., Phys. Lett.,126B(1983),384; Ch. Berger et al. DESY 84-098 (1984);M. P Cain et al.,Phys. Lett., 147B(1984). 232.[3] M. Pohl. 5th Int. Workshop on Photon.Photon Collision.1983; DESY 83-047(1983).[4] H J. Behrend ef al., Phys. Lett., 123B(1983); 127;W..Bartel et al., Z. Phys., C24(1984), 231 M Althoff et al., Phys. Lett., 138B(1984), 219; Ch Bergen et al., Phys. Lett., 142B (1984),111.[5] D P. Barber et al. Rev. Lett., 43(1979) 1915; D. P. Barber et al., Phys. Rep., 63(1980),337:B. Adeva.et al., Phys Rep., 109(1984), 131.[6] F. A. Berends et al., Nucl:Phys., 8253(1985),441; R. Kleiss et al.,Nucl Phys., B241 (1984),61; For other QED calculations also see: A M. Vermaseren et al., Nucl. Phys., B229(1983),347.[7] F. A. Berends et al.,Nucl.Phys., B253(1985); 421; W. L. Van Neerven et al., Nucl Phys., B238(1984), 73.[8] S. J. Brodsky et a1.; Phys.Rev.Lett., 41(1978), 672; K. Kajantie and P. raito Nucl. Phys., B159(1979). 528.[9] A. Coureau, CAL 82/19(1982); J. H. Field Nucl. Phys., B168(1980), 477; Ch. Berger and J. H.Field, Nucl. Phys., B187 (1981), 585.[10] H. J. Behrend et al., DESY84/103 (1984 ) ;JADE Internal report (unpublished).