1. LEP Collaboration ALEPH, DELPHI, L3, OPAL, the LEP Electroweak Working Group and the SLD Heavy Flavour Group
2. D. Bardin, W. Hollik, G. Passarino, Reports of the Working Group on Precision Calculations for theZ, CERN Yellow Report, CERN 95-03
3. Algebraic Renormalization;Piguet,1995
4. Partial-symmetries of weak interactions
5. A Model of Leptons