@misc{Zwierzykowski_Piotr_Editors’,
 author={Zwierzykowski, Piotr and Sobieraj, Maciej},
 howpublished={online},
 publisher={National Institute of Telecommunications},
 language={ang},
 type={artykuł},
 title={Editors’ Note on the Special Section, Journal of Telecommunications and Information Technology, 2021, nr 2},
 keywords={preface},
}