@inproceedings{Hudec:2020+w, author = "Hudec, René", title = "{XIII Multifrequency Behaviour of High Energy Cosmic Sources Concluding Remarks IV}", doi = "10.22323/1.362.0080", booktitle = "Proceedings of Multifrequency Behaviour of High Energy Cosmic Sources - XIII {\textemdash} PoS(MULTIF2019)", year = 2020, volume = "362", pages = "080" }