1. VDI 2736:2014-06, Blatt 2, Cylindrical gears – Calculation of the load-carrying capacity.
2. DIN 3990:1987-12 Tragfähigkeitsberechnung von Stirnrädern.
3. ISO 6336:2006-09 Calculation of load capacity of spur and helical gears.
4. DIN ISO 14635-1:2006-05 Gears – FZG test procedures – Part 1: FZG test method A/8,3/90 for relative scuffing load-carrying capacity of oils.
5. Ph.D. thesis;M Fürstenberger,2013