🌐EnglishEnglishDeutschEspañolNederlandsPortuguêsРусскийالعربية한국어中文EntityQ1274918· pop 6· linked from 169 articlesLorentz–Heaviside unitssystem of electromagnetic unitsConnectionscentimeter–gram–second system of unitsEntityInternational System of UnitsEntityCategoriesElectromagnetismHendrik LorentzSpecial relativity