(en) N. V. Kharchenkoet al., « Astrophysical supplements to the ASCC-2.5. II. Membership probabilities in 520 Galactic open cluster sky areas », Astronomische Nachrichten, vol. 325, no 9, , p. 740–748 (DOI10.1002/asna.200410256, Bibcode2004AN....325..740K)
(en) J. Dachs et D. Kaiser, « UBV photometry of the southern galactic cluster NGC 4755 = Kappa Crucis », Astronomy & Astrophysics Supplement Series, vol. 58, , p. 411–429 (Bibcode1984A&AS...58..411D)
(en) N. V. Kharchenkoet al., « Astrophysical supplements to the ASCC-2.5. II. Membership probabilities in 520 Galactic open cluster sky areas », Astronomische Nachrichten, vol. 325, no 9, , p. 740–748 (DOI10.1002/asna.200410256, Bibcode2004AN....325..740K)