Do we need goal line technology in soccer or could video proof be a more suitable choice: A cost-benefit-analysis of goal line technology in soccer and thoughts about an introduction of video proof - Kolbinger, O.; Linke, D.; Link, D.; Lames, M. (Sports Science Research and Technology Support: Second International Congress, icSPORTS 2014, Rome, Italy, October 24-26, 2014, Revised Selected Papers, 2015)