Bibliografia e sitografia

ABETTI G., 1963, Storia dell'Astronomia, Firenze, Vallecchi Editore.

DUFFET-SMITH P., ZWART J., 2011, Practical Astronomy with your Calculator or Spreadsheet, Fourth Edition, NewYork, Cambridge University Press.

FANTONI G., 1988, Orologi solari, Trattato completo di gnomonica, Roma, Technimedia.

FLORA F.,1993, Astronomia nautica, (navigazione astronomica), Milano, Hoepli.

ROMANO G., 1985, Introduzione all'Astronomia, Esercitazioni e problemi per lo studio dei fenomeni celesti, Padova, Franco Manuzzio &c. editore.

ROY A.E., CLARKE D., 2003, Astronomy Principles and Practice Fourth Edition, Bristol and Philadelphia Institute of Physics Publishing. 

KARTTUNEN et al., 2007, Fundamental Astronomy, 5th edition, Springer-Verlag Berlin Heidelberg New York.

MEEUS J.,1998, Astronomical Algorithms, 2nd ed. with corrections as of August 10, 2009, Richmond, Willmann-Bell.

PANNEKOEK A., 1989, A history of Astronomy, Mineola NY, Dover.

SCHROEDER W., 1967, Astronomia pratica, Milano, Longanesi.

SMART W.N., GREEN R.M., 1986, Textbook on Spherical Astronomy, 6th ed., Cambridge, Cambridge University Press.

Sean E. URBAN S.E., SEIDELMANN P. K., 2012, The Explanatory Supplement to the Astronomical Almanac, Edition 3, Mill Valley, California, University Science Books.


USNO Astronomical Information Center (http://aa.usno.navy.mil/faq/

The International Earth Rotation and Reference Systems Service (http://www.iers.org)

Wikipedia (http://www.wikipedia.com)

Enciclopedia Treccani (http://www.treccani.it)

Encyclopedia Britannica (http://www.britannica.com)

NASA Eclipse Web Site (http://eclipse.gsfc.nasa.gov/eclipse.html)

IERS Rapid Service/Prediction Center (http://maia.usno.navy.mil/)

PHP Science Labs, Jay Tanner(http://www.neoprogrammics.com/index.html)

Webpages on the History of Astronomy
by Robert Harry van Gent (http://www.staff.science.uu.nl/~gent0113/)