Grochalski, K., K. Peta, and M. Wiśniewski. “Diagnostic Methods Defects Detection in Joints Bonded Composite Materials”. Technologia I Automatyzacja Montażu (Assembly Techniques and Technologies), Vol. 97, no. 3, Sept. 2017, pp. 42-45, https://journals.prz.edu.pl./tiam/article/view/1087.