European corrosion congress (EUROCORR 2017) and 20th international corrosion congress and process safety congress 2017 : corrosion control for safer living : Prague, Czech Republic : 3-7 September 2017 : joint European corrosion congress 2017, 20th international corrosion congress & process safety congress 2017 : annual congress of the European Federation of Corrosion : Sep 2017, Prague, Czech Republic.