https://sk.wikipedia.org/wiki/%C5%BDeleznice_Slovenskej_republiky
https://sk.wikipedia.org/wiki/%C5%BDelezni%C4%8Dn%C3%A1_spolo%C4%8Dnos%C5%A5_Slovensko
https://sk.wikipedia.org/wiki/%C5%BDelezni%C4%8Dn%C3%A1_spolo%C4%8Dnos%C5%A5_Cargo_Slovakia
https://sk.wikipedia.org/wiki/%C5%BDelezni%C4%8Dn%C3%A1_spolo%C4%8Dnos%C5%A5_(b%C3%BDval%C3%BD_podnik)
