– Dr.sc.ing. Jānis Andersons (Institute of Polymer Mechanics, University of Latvia);
– Dr.habil.sc.ing. Andrzej Katunin (Silesian University of Technology, Poland);
– PhD Manuel Chiachio Ruano (University of Granada, Spain).
The doctoral thesis can be found at the RTU Scientific Library (Riga, Paula Valdena Street 5), the National Library of Latvia (Mūkusalas street 3) and the website http://www.rtu.lv (Science> Doctoral Studies> Doctoral Thesis> Doctoral Thesis).