S. Michalik. Braunschweig University of Technology, Germany, (2019)base-search.net (ftunivbraunschw:oai:https://leopard.tu-braunschweig.de/:dbbs_mods_00066217).
M. Dabrowski, J. Gromada, and T. Michalik. FedCSIS (Position Papers), volume 9 of Annals of Computer Science and Information Systems, page 49-56. (2016)