1. European Muon Collaboration, J Aubert et al, CERN prep.EP-80-119. J Rander, CERN-Dortmund-Heidelberg-Saclay collaboration, contribution to this conference.
2. G Myatt, CERN ECFA Report 72/4, Vol 2: 117 (1972).
3. J Bell et al., Phys. Rev.D 19: 1 (1979)
4. P Allen et al., Acchen-Bonn-CERN-Munich-Oxford collaboration, paper submitted to this conference.
5. T Kitagaki et al., Illinois-Maryland-Stony Brook-Tohoku-Tufts collaboration, paper submitted to this conference.