Zeroes for e+e- \to \bar{f} f cross section and search for new physics
  We suggest returning to a different presentation of the e+e- \to \bar{f} f data off the Z peak, with the hope of using zeroes of specific amplitudes to enhance the sensitivity to new physics. 
J.-M. Fr\`ere (Univ Libre Bruxelles), V.A. Novikov and M.I. Vysotsky   (ITEP, Moscow)