Search for neutral Higgs bosons decaying into four taus at LEP2 - Schael, Stefan; Hanke, Paul; Hepp, Volker; Kluge, Eike-Erik; Tittel, Klaus (Journal of high energy physics, 2010)
The ALEPH collaboration: S. Schael, P. Hanke, V. Hepp, E.E. Kluge, K. Tittel [und viele weitere]