آتوم ساعاتی
آتوم ساعاتی () آتوم ایله ایشله‌ین بیر نوع ساعات دیر. . بو ساعات بوتون باشقا مکانیک ساعات لارا قارشی دیر و دونیانین أن دۆز ساعاتی دیر . فرکانسی الکترون رادیوسونون گئچمسینن دیر.

قایناقلار

ائشیک باغلانتیلار 
 National Research Council Canada, FAQ: "What is a 'caesium atomic clock'?"
 National Research Council Canada, archived content: Optical frequency standard based on a single trapped ion
 United States Naval Observatory Time Service Department 
 PTB Braunschweig, Germany – with link in English language
 National Physical Laboratory (UK) time website
 NIST Internet Time Service (ITS): Set Your Computer Clock Via the Internet
 NIST press release about chip-scaled atomic clock
 NIST website
 Web pages on atomic clocks by The Science Museum (London)
 Optical Atomic Clock BBC, 2005
 Optical lattice clock—Journal of the Physical Society of Japan
 The atomic fountain
 National Research Council of Canada, archived content: Optical Frequency Comb – The Measurement of Optical Frequencies
 Standard Frequencies for Time Calibration by the BIPM