pitch diameter . Masinate terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mtb/pitch%20diameter/1/eng (26.08.2026)
pitch diameter . Metroloogia terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mea/pitch%20diameter/1/eng (26.08.2026)