1. DIN (German Standards Institute), DIN 51309 Werkstoffprüfmaschinen – Kalibrierung von Drehmomentmessgeräten für statische Drehmomente/Materials Testing Machines – Calibration of static torque measuring devices.
2. EA (European co-operation for Accreditation), EA-10/14, EA Guidelines on the Calibration of Static Torque Measuring Devices.
3. J. Andrae, Measurement and calibration using reference and transfer torque flanges, in: Proceedings of the 17th IMEKO TC3 International Conference, Instanbul, Turkey, 2001, pp. 350–360.
4. D. Röske, D. Peschel, Investigations into the alternating torque calibration of torque transducers, in: Proceedings of the 14th IMEKO World Congress, Tampere, Finland, vol. III, 1997, pp. 72–78.