1. Microgears, Basic Principles;VDI 2731,2009
2. Calculation of Load Capacity of Spur and Helical Gears;ISO 6336,2006
3. Cylindrical Gears, ISO System of Flank Tolerance Classification;ISO 1328,2013
4. Tragfähigkeit kleinmoduliger Zahnräder;Braykoff,2007
5. Function-oriented Method for the Definition and Verification of Microstructured Surfaces;Weckenmann;Precision Engineering,2013