Capitaine, N., Wallace, P. T., & McCarthy, D. D. (2003). "Expressions to implement the IAU 2000 definition of UT1", Astronomy and Astrophysics, vol.406 (2003), pp.1135-1149 (or in pdf form); and for some earlier definitions of UT1 see Aoki, S., H Kinoshita, H., Guinot, B., Kaplan, G. H., D D McCarthy, D. D., & Seidelmann, P. K. (1982) "The new definition of universal time", Astronomy and Astrophysics, vol.105 (1982), pp.359-361.
Capitaine, N., Wallace, P. T., & McCarthy, D. D. (2003). "Expressions to implement the IAU 2000 definition of UT1", Astronomy and Astrophysics, vol.406 (2003), pp.1135-1149 (or in pdf form); and for some earlier definitions of UT1 see Aoki, S., H Kinoshita, H., Guinot, B., Kaplan, G. H., D D McCarthy, D. D., & Seidelmann, P. K. (1982) "The new definition of universal time", Astronomy and Astrophysics, vol.105 (1982), pp.359-361.
Aoki, S., B. Guinot, G. H. Kaplan, H. Kinoshita, D. D. McCarthy and P. K. Seidelmann: "The new definition of Universal Time". Astronomy and Astrophysics105(2), 359-361, 1982.
Capitaine, N., Wallace, P. T., & McCarthy, D. D. (2003). "Expressions to implement the IAU 2000 definition of UT1", Astronomy and Astrophysics, vol.406 (2003), pp.1135-1149 (or in pdf form); and for some earlier definitions of UT1 see Aoki, S., H Kinoshita, H., Guinot, B., Kaplan, G. H., D D McCarthy, D. D., & Seidelmann, P. K. (1982) "The new definition of universal time", Astronomy and Astrophysics, vol.105 (1982), pp.359-361.
«Resources page of the U.S»(en anglès). Department of the Interior, Bureau of Land Management. Arxivat de l'original el 2008-10-11.[Consulta: 4 maig 2013].
A. M. Alcover; F. de B. Moll.«Dia».Diccionari català-valencià-balear (DCVB). Editorial Moll. Arxivat de l'original el 2004-08-26.[Consulta: 29 juliol 2009].
Munsell, Kirk;Smith, Harman; Harvey, Samantha.«Mercury: Facts & Figures»(en anglès).Solar System Exploration. NASA,28-05-2009. Arxivat de l'original el 2014-04-08.[Consulta: 7 abril 2008].
nssdc.gsfc.nasa.gov
Williams, David R.«Neptune Fact Sheet»(en anglès). NASA,01-09-2004.[Consulta: 14 agost 2007].
A. M. Alcover; F. de B. Moll.«Dia».Diccionari català-valencià-balear (DCVB). Editorial Moll. Arxivat de l'original el 2004-08-26.[Consulta: 29 juliol 2009].
Munsell, Kirk;Smith, Harman; Harvey, Samantha.«Mercury: Facts & Figures»(en anglès).Solar System Exploration. NASA,28-05-2009. Arxivat de l'original el 2014-04-08.[Consulta: 7 abril 2008].
«Resources page of the U.S»(en anglès). Department of the Interior, Bureau of Land Management. Arxivat de l'original el 2008-10-11.[Consulta: 4 maig 2013].