DIN ISO 7919-4:2010 Mechanical vibration - Evaluation of machine vibration by measurements on rotating shafts - Part 4: Gas turbine sets with fluid-film bearings (ISO 7919-4:2009)
2018DIN ISO 20816-4:2018 Mechanical vibration - Measurement and evaluation of machine vibration - Part 4: Gas turbines in excess of 3 MW, with fluid-film bearings (ISO 20816-4:2018)
2010DIN ISO 7919-4:2010 Mechanical vibration - Evaluation of machine vibration by measurements on rotating shafts - Part 4: Gas turbine sets with fluid-film bearings (ISO 7919-4:2009)