Chiosi, E. and Vallenari, A. Three clusters of the SMC from ACS/WFC HST archive data: NGC 265, K 29 and NGC 290 and their field population // Astronomy and Astrophysics. — 2007. — Vol. 466. — P. 165-179. — doi:10.1051/0004-6361:20066834. — Bibcode:2007A&A...466..165C,{{bibcode}}: Проверьте bibcode: length (справка).
Chiosi, E. and Vallenari, A. Three clusters of the SMC from ACS/WFC HST archive data: NGC 265, K 29 and NGC 290 and their field population // Astronomy and Astrophysics. — 2007. — Vol. 466. — P. 165-179. — doi:10.1051/0004-6361:20066834. — Bibcode:2007A&A...466..165C,{{bibcode}}: Проверьте bibcode: length (справка).