Bibliografía sugerida
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En Construcción
Spherical Astronomy, Green R.M. (1985) Cambridge University Press.
Astrometrie Moderne, Kovalevsky J. (1999) Springer Verlag.
Explanatory Supplement to the Astronomical Almanac (1992), University Science Books
IERS Technical Notes N° 36 (IERS Conventions, 2011), N° 32 (IERS Conventions 2000, publicado en 2003), N° 21 (IERS Conventions 1996).
