1. ALEPH, DELPHI, L3, OPAL Collaborations, LEP Working Group for Higgs boson searches (R. Barate et al.), Phys. Lett. B 565, 61 (2003) ( arXiv:hep-ex/0306033 )
2. ALEPH, CDF, D0, DELPHI, L3, OPAL, SLD Collaborations, LEP Electroweak Working Group, Tevatron Electroweak Working Group, LD Electroweak, Heavy Flavour Groups, arXiv:0911.2604 [hep-ex]
3. The TEVNPH Working Group of the CDF, D0 Collaborations, arXiv:1007.4587 [hep-ex]
4. See, for example, C. Grojean, arXiv:0910.4976 [hep-ph] and references therein
5. J.W. Moffat, Mod. Phys. Lett. A 6, 1011 (1991)