Butcher, H. R.; Oemler, A. Jr. (1985-04-01). «The evolution of galaxies in clusters. IV - Photometry of 10 low-redshift clusters». The Astrophysical Journal Supplement Series57: 665–691. doi:10.1086/191022. ISSN0067-0049. Bibcode: 1985ApJS...57..665B.
Scodeggio, Marco; Boselli, Alessandro; Gavazzi, Giuseppe; Trinchieri, Ginevra; Garilli, Bianca (1992-08-01). «Multifrequency windows on spiral galaxies. II - The A262 and Cancer clusters». Astronomy and Astrophysics Supplement Series94: 299–326. ISSN0365-0138. Bibcode: 1992A&AS...94..299S.
Butcher, H. R.; Oemler, A. Jr. (1985-04-01). «The evolution of galaxies in clusters. IV - Photometry of 10 low-redshift clusters». The Astrophysical Journal Supplement Series57: 665–691. doi:10.1086/191022. ISSN0067-0049. Bibcode: 1985ApJS...57..665B.
Righetti, G.; Giovannini, G.; Feretti, L. (1988-04-01). «WSRT observations at 327 MHz of the cluster A262». Astronomy and Astrophysics Supplement Series73: 173–179. ISSN0365-0138. Bibcode: 1988A&AS...73..173R.
Scodeggio, Marco; Boselli, Alessandro; Gavazzi, Giuseppe; Trinchieri, Ginevra; Garilli, Bianca (1992-08-01). «Multifrequency windows on spiral galaxies. II - The A262 and Cancer clusters». Astronomy and Astrophysics Supplement Series94: 299–326. ISSN0365-0138. Bibcode: 1992A&AS...94..299S.
Butcher, H. R.; Oemler, A. Jr. (1985-04-01). «The evolution of galaxies in clusters. IV - Photometry of 10 low-redshift clusters». The Astrophysical Journal Supplement Series57: 665–691. doi:10.1086/191022. ISSN0067-0049. Bibcode: 1985ApJS...57..665B.
Righetti, G.; Giovannini, G.; Feretti, L. (1988-04-01). «WSRT observations at 327 MHz of the cluster A262». Astronomy and Astrophysics Supplement Series73: 173–179. ISSN0365-0138. Bibcode: 1988A&AS...73..173R.