1. Ostertag, O., Sivák, P., 2010. Degradation processes and fatigue life prediction (in Slovak). 1st edition. TU Košice, Slovakia, ISBN 978-80-553-0486-1.
2. Trebuňa, F., Buršák, M., 2002. Limit states, fractures (in Slovak). 1st edition. ManaCon Prešov, p. 348. ISBN 80-7165-362-4.
3. Veles, P., 1989. Mechanical properties and testing of metals. 2nd edition. ALFA, SNTL Bratislava. p. 401.
4. Sivák, P., Kachman, J., 2011. “Determination of fatigue characteristics in selected construction materials,” Proceedings of the 4th International conference Modelling of Mechanical and Mechatronic Systems, Faculty of Mechanical engineering, Technical university of Košice, pp 452-459.
5. Aczel, A.D., 1989. Complete Business Statistics. Irwin, p. 1056. ISBN 0-256-05710-8.