[1] K. J. Hume.Engineering Metrology. London : MacDonald, 1970
[2] Graham T. Smith. Industrial metrology : surfaces and roundness. London :
Springer, 2002
[3] PETŘKOVSKÁ, L.; PETRŮ, J. Engineering Metrology and Assembly. Ostrava : VŠB-Technická univerzita Ostrava, 2012, p. 57.