Formal techniques for distributed objects, components, and systems 39th IFIP WG 6.1 International Conference, FORTE 2019, held as part of the 14th International Federated Conference on Distributed Computing Techniques, DisCoTec 2019, Kongens Lyngby, Denmark, June 17–21, 2019, proceedings - Pérez, Jorge A.; Yoshida, Nobuko (Springer, 2019)