HiggsBounds-4: improved tests of extended Higgs sectors against exclusion bounds from LEP, the Tevatron and the LHCPhilip Bechtle, Oliver Brein, Sven Heinemeyer, Oscar Stål, Tim Stefaniak, Georg Weiglein and Karina E. WilliamsEur. Phys. J. C, 74 3 (2014) 2693DOI: https://doi.org/10.1140/epjc/s10052-013-2693-2