1. Proc. XVI Intern. Conf. on High energy physics;Lee,1972
2. Symp. on Electron and photon interactions at high energies;Veltman,1973
3. Observation of neutrino-like interactions without muon or electron in the gargamelle neutrino experiment
4. A. Benveninuti et al. (Harvard-Pensyllvania-Wisconsin-NAL collaboration), preprint
5. M.A. Bouchiat and C.C. Bouchiat, to be published.