Industrial Applications of Holonic and Multi-Agent Systems 9th International Conference, HoloMAS 2019, Linz, Austria, August 26-29, 2019, Proceedings - Mařík, Vladimír; Mařík, Vladimír; Kadera, Petr; Kadera, Petr; Rzevski, George; Rzevski, George; Zoitl, Alois; Zoitl, Alois; Anderst-Kotsis, Gabriele; Anderst-Kotsis, Gabriele; Tjoa, A Min; Tjoa, A Min; et al. (Springer International Publishing : Imprint: Springer, 2019)