21 Virginis (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "21 Virginis" in Italian language version.

refsWebsite
Global rank Italian rank
1,342nd place
593rd place
1st place
1st place
low place
low place

popastro.com

  • Popastro: society for popular astronomy (JPG) [collegamento interrotto], su popastro.com. URL consultato il 30-11-2011.

u-strasbg.fr

vizier.u-strasbg.fr

simbad.u-strasbg.fr

  • * q Vir -- Star, su simbad.u-strasbg.fr. URL consultato il 27 luglio 2012.

web.archive.org