1. [1] available on the internet “bogie”
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4. [4] Schajer, G. S. “Practical residual stress measurement methods”, John Wiley & Sons Ltd, The Atrium, Southern Gate, Chichester, West Sussex, PO19 8SQ, United Kingdom, 2013. ISBN 978-1-118-34237-4.
5. [5] Trebuňa, F., Šimčák, F. “Quantification of residual stresses by tensometry” (in Slovak), TUKE, p. 134, 2005.