P. Kolendo, A. Jendrzejewska, M. Szuca, T. Ogryczak. Current issues of group control in the example of solutions for the Włocławek node. AE [Internet]. 2017 Sep. 30 [cited 2024 May 6];(03):84-90. Available from: https://www.actaenergetica.org/index.php/journal/article/view/192