@book{Hewitt:Fizyka:2024,
author = {Hewitt, P.G.},
title = {Fizyka wokół nas},
publisher = {PWN},
year = {2024},
address = {Warszawa}}

@article{Lie:etal:soundness:2016,
author={G. Liu and W. Reisig and C. Jiang and M. Zhou},
journal={IEEE Access},
title={A Branching-Process-Based Method to Check Soundness of Workflow Systems},
year={2016},
volume={4},
pages={4104-4118},
doi={10.1109/ACCESS.2016.2597061}}

@manual{latex:symbols:2024,
author = {Pakin, S.},
title = {The Comprehensive {LaTeX} Symbol List},
year = {2024},
note = {\url{https://ctan.org/pkg/comprehensive}}}