XX International Symposium on Lepton and Photon Interactions at High Energies : ℗b lepton-photon 01 : Rome, Italy, 23-28 July 2001 / ℗c editors Juliet Lee-Franzini, Paolo Franzini, and Fabio Bossi. - Lee-Franzini, Juliet; Franzini, Paolo; Bossi, Fabio (World Scientific, 2002)