Añadir a mi colección
Formato
También te puede gustar
Far-infrared hydrogen lasers in the peculiar star MWC 349A
1996
27th annual Precise Time and Time Interval (PTTI) Applications and Planning Meeting
Precise Time and Time Interval (PTTI) Applications and Planning Meeting (27nd 1995 San Diego, Calif.)
Hydrogen Maser Clock (HMC) experiment
R. F. C. Vessot
1997
Days of the week
Tracey Steffora
2011
Seasons of the year
Hours, minutes, and seconds
Times of the day
Clocks and calendars
