Jordi, K.; Grebel, E. K.; Hilker, M.; Baumgardt, H.; Frank, M.; Kroupa, P.; Haghi, H.; CBtE, P.; Djorgovski, S. G. Testing Fundamental Physics with Distant Star Clusters: Analysis of Observational Data on Palomar 14. The Astronomical Journal. 2009, 137 (6): 4586–4596. Bibcode:2009AJ....137.4586J. arXiv:0903.4448. doi:10.1088/0004-6256/137/6/4586.
Arp, Halton; van den Bergh, Sidney. A New Faint Globular Cluster. Publications of the Astronomical Society of the Pacific. 1960, 72 (48): 48. Bibcode:1960PASP...72...48A. doi:10.1086/127473.
Jordi, K.; Grebel, E. K.; Hilker, M.; Baumgardt, H.; Frank, M.; Kroupa, P.; Haghi, H.; CBtE, P.; Djorgovski, S. G. Testing Fundamental Physics with Distant Star Clusters: Analysis of Observational Data on Palomar 14. The Astronomical Journal. 2009, 137 (6): 4586–4596. Bibcode:2009AJ....137.4586J. arXiv:0903.4448. doi:10.1088/0004-6256/137/6/4586.
Arp, Halton; van den Bergh, Sidney. A New Faint Globular Cluster. Publications of the Astronomical Society of the Pacific. 1960, 72 (48): 48. Bibcode:1960PASP...72...48A. doi:10.1086/127473.
Jordi, K.; Grebel, E. K.; Hilker, M.; Baumgardt, H.; Frank, M.; Kroupa, P.; Haghi, H.; CBtE, P.; Djorgovski, S. G. Testing Fundamental Physics with Distant Star Clusters: Analysis of Observational Data on Palomar 14. The Astronomical Journal. 2009, 137 (6): 4586–4596. Bibcode:2009AJ....137.4586J. arXiv:0903.4448. doi:10.1088/0004-6256/137/6/4586.