Brunzendorf, J.; Meusinger, H. (October 1, 1999). «The galaxy cluster Abell 426 (Perseus). A catalogue of 660 galaxy positions, isophotal magnitudes and morphological types» (στα αγγλικά). Astronomy and Astrophysics Supplement Series139 (1): 141–161. doi:10.1051/aas:1999111. ISSN0365-0138. Bibcode: 1999A&AS..139..141B.
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Brunzendorf, J.; Meusinger, H. (October 1, 1999). «The galaxy cluster Abell 426 (Perseus). A catalogue of 660 galaxy positions, isophotal magnitudes and morphological types» (στα αγγλικά). Astronomy and Astrophysics Supplement Series139 (1): 141–161. doi:10.1051/aas:1999111. ISSN0365-0138. Bibcode: 1999A&AS..139..141B.
H., Meusinger; J., Brunzendorf; R., Krieg (November 2000). «IRAS galaxies in the Perseus cluster» (στα αγγλικά). Astronomy and Astrophysics363: 933. ISSN0004-6361. Bibcode: 2000A&A...363..933M.
Brunzendorf, J.; Meusinger, H. (October 1, 1999). «The galaxy cluster Abell 426 (Perseus). A catalogue of 660 galaxy positions, isophotal magnitudes and morphological types» (στα αγγλικά). Astronomy and Astrophysics Supplement Series139 (1): 141–161. doi:10.1051/aas:1999111. ISSN0365-0138. Bibcode: 1999A&AS..139..141B.
H., Meusinger; J., Brunzendorf; R., Krieg (November 2000). «IRAS galaxies in the Perseus cluster» (στα αγγλικά). Astronomy and Astrophysics363: 933. ISSN0004-6361. Bibcode: 2000A&A...363..933M.