Odkazy:
[1] https://pzvar.sk/sites/default/files/uvod_obsah_1_2024.pdf
[2] https://www.pzvar.sk/MAGAZINE/ZVARAC%202%202024.html
[3] https://pzvar.sk/sites/default/files/uvod_obsah_3_2024.pdf
[4] https://pzvar.sk/sites/default/files/uvod_obsah_net_4_2024.pdf