Electron-positron storage rings.- Purely electromagnetic ee interactions.- Phenomenology of hadron production.- The total cross section.- e+e- Annihilation at low energies.- The new particles J/? and ??.- Radiative decays of J/? and ??.- Search for other narrow vector states.- The quark model interpretation of J/? and ??.- Charmed mesons.- The heavy lepton ?.- The ? family.- Inclusive hadron production.- Jet formation.- The next generation of e+e- colliding rings and the the first results fron PETRA.
