Böhme, S.; Esser, U.; Fricke, W.; Hefele, H.; Heinrich, I.; Hofmann, W.; Krahn, D.; Matas, V. R.; Schmadel, L. D.; Zech, G. Literature, Part 2. Astronomy and Astrophysics Abstracts (Springer Science & Business Media). 1985, 40: 871 [2018-08-08]. (原始内容存档于2020-07-15) (英语).
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'Astrophysical Journal', Part 1 (ISSN0004-637X), vol. 299, Dec. 1, 1985, p. 5-14. "A possible 300 megaparsec filament of clusters of galaxies in Perseus-Pegasus" 12/1985Bibcode:1985ApJ...299....5B
'Astrophysical Journal', Part 1 (ISSN0004-637X), vol. 299, Dec. 1, 1985, p. 5-14. "A possible 300 megaparsec filament of clusters of galaxies in Perseus-Pegasus" 12/1985Bibcode:1985ApJ...299....5B