Berkaitan Hertz Hertzing Herta Müller Hertha BSC Berlin Hetzer Herzegovina Herzogtum Lauenburg Herzberg am Harz Herzliyya Herten
Rujukan WikiPedia: Hertz http://www.iec.ch/about/history/overview/ http://www.bipm.org/en/si/si_brochure/chapter2/2-1...