1. See, for example, G. Altarelli, in: Physics at LEP, eds. J. Ellis and R. Peccei, CERN Yellow Report 86-02, Vol. 1, p. 1.
2. A. Blondel, in: Polarization at LEP, eds. G. Alexander et al., CERN Yellow Report 88-06, Vol. 1, p. 1.
3. J.H. Kühn and P. Zerwas, in: Z physics at LEP, eds. G. Altarelli, R. Kleiss and C. Verzegnassi, CERN Yellow Report 89-08, Vol. 1, p. 267.
4. Decay Correlations of Heavy Leptons ine++e−→l++l−
5. Possible signatures for heavy leptons at thep $$\bar p$$ collider