1. GOST 8.051–81, GSI. Errors Permitted in Measurement of Linear Dimensions to 500 mm.
2. PSK Stal-Trest, Range of Products, http://stal-trest.com , acces. Aug. 1, 2015.
3. Cz. J. Jermak and M. Rucki, “Air gauging: Still some room for development,” AASCIT Commun., 2, No. 2, 29–34 (2015).
4. M. Rucki, B. Barisik, and G. Varga, “Air gauges as a part of the dimensional inspection system,” Measurement, No. 43, 83–91 (2010).
5. R. Yu. Stefanyuk and A. I. Sutin, Inventor’s Certificate 1019239 USSR, “A pneumatic device for monitoring and sorting parts by linear dimension,” Byull. Izobret., No. 19 (1983).