http://www.epo.gr/media/files/REFEREES/ORISMOI_2017-2018/SUPER_LEAGUE/ref_SL_matchday_15.pdf
http://www.epo.gr/media/files/REFEREES/ORISMOI_2017-2018/FOOTBALL_LEAGUE/ref_FL_matchday_8.pdf
https://www.youtube.com/watch?v=8t6RL0la66c&feature=youtu.be