рельс . EKI Combined Dictionary 2026. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif/dlall/eki/%D1%80%D0%B5%D0%BB%D1%8C%D1%81/1/rus (21.06.2026)
Translations
рельс . Materjalitehnika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mtr/%D1%80%D0%B5%D0%BB%D1%8C%D1%81/1/rus (21.06.2026)