Associazione dell'Orsa Maggiore: differenze tra le versioni
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Recupero di 1 fonte/i e segnalazione di 0 link interrotto/i. #IABot (v1.5.1) |
Recupero di 1 fonte/i e segnalazione di 0 link interrotto/i. #IABot (v1.6) |
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Riga 218:
* [https://web.archive.org/web/19991007030946/http://seds.lpl.arizona.edu/messier/xtra/ngc/uma-cl.html The Ursa Major Moving Cluster, Cr 285] Arizona University website
* [http://www.kencroswell.com/DescendantsOfTheDipper.html Descendants of the Dipper by Ken Croswell] [[Ken Croswell]]'s astronomy website.
*LeDrew, Glenn (1998). [https://web.archive.org/web/20050406033451/http://www.ottawa.rasc.ca/observers/an9803p4.html "AstroNotes: The Ursa Major Moving Cluster"]. Retrieved July 28, 2005.
* [http://www.ucm.es/info/Astrof/invest/actividad/skg/skg.html Stellar kinematic groups, Superclusters, Moving Groups] - D. Montes, UCM
* [http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2003AJ....125.1980K&db_key=AST&data_type=HTML&format=&high=41b4ade78800742] J.R.King et al 2003 Astronomical Journal paper classifying group members based on Hipparcos data.
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