Special Issues

 2018   No. 2/s  Dedicated to Dr. h. c. mult. prof. Ing. František Trebuňa, CSc. on the occasion of his 70th birthday
     
 2018   No. 4/s  Dedicated to prof. Ing. Pavel Elesztos, CSc. and prof. Ing. Stanislav Ziaran, CSc. on the occasion of his 70th birthday