Szpyrka M, Matyasik P, Biernacki J, Biernacka A, Wypych M, Kotulski L. Hierarchical Communication Diagrams. Comput. Inform. [Internet]. 2016 May 31 [cited 2024 Nov. 8];35(1):55-83. Available from: http://147.213.75.17/ojs/index.php/cai/article/view/2961