Lach, R, P Hutař, P Veselý, E Nezbedová, Z Knésl, T Koch, C Bierögel, and W Grellmann. 2013. “Assessment With Indentation Techniques of the Local Mechanical Behavior of Joints in Polymer Parts”. Polimery 58 (11-12):900-905. https://polimery.ichp.vot.pl/index.php/p/article/view/797.