Andrés E. Piatti; Claria J. J.; Mermilliod J.-C.; Parisi M. C. (). „Photometric and Coravel observations of red giant candidates in three open clusters: membership, binarity, reddening and metallicity”. Astronomy and Astrophysics (în engleză). 453: 91–99. Bibcode:2006A&A...453...91C. doi:10.1051/0004-6361:20054716. WikidataQ66617999.
Andrés E. Piatti; Claria J. J.; Mermilliod J.-C.; Parisi M. C. (). „Photometric and Coravel observations of red giant candidates in three open clusters: membership, binarity, reddening and metallicity”. Astronomy and Astrophysics (în engleză). 453: 91–99. Bibcode:2006A&A...453...91C. doi:10.1051/0004-6361:20054716. WikidataQ66617999.
Andrés E. Piatti; Claria J. J.; Mermilliod J.-C.; Parisi M. C. (). „Photometric and Coravel observations of red giant candidates in three open clusters: membership, binarity, reddening and metallicity”. Astronomy and Astrophysics (în engleză). 453: 91–99. Bibcode:2006A&A...453...91C. doi:10.1051/0004-6361:20054716. WikidataQ66617999.