Multiplicity among peculiar A stars. I. The AP stars HD 8441 and HD 137909, and the AM stars HD 43478 and HD 96391, P. North et al., Astronomy and Astrophysics Supplement130 (June 1998), pp. 223–232, Bibcode: 1998A&AS..130..223N, doi:10.1051/aas:1998365. (англ.)
Astrometric-spectroscopy binary star orbits. IV — Beta Coronae Borealis, Karl W. Kamper, Harold A. McAlister, and William I. Hartkopf, Astronomical Journal100, #1 (July 1990), pp. 239—246, doi:10.1086/115510, Bibcode: 1990AJ....100..239K (англ.)
§ 7, Limits to Tertiary Astrometric Companions in Binary Systems, Matthew W. Muterspaugh, Benjamin F. Lane, S. R. Kulkarni, Bernard F. Burke, M. M. Colavita, and M. Shao, Astrophysical Journal653, #2 (December 2006), pp. 1469—1479, Bibcode: 2006ApJ...653.1469M, doi:10.1086/508743. (англ.)
Multiplicity among peculiar A stars. I. The AP stars HD 8441 and HD 137909, and the AM stars HD 43478 and HD 96391, P. North et al., Astronomy and Astrophysics Supplement130 (June 1998), pp. 223–232, Bibcode: 1998A&AS..130..223N, doi:10.1051/aas:1998365. (англ.)
Orbit of beta Coronae Borealis, J. B. Cannon, Publications of the Dominion Observatory, Ottawa1 (1914), pp. 373—405, Bibcode: 1914PDO.....1..373C. (англ.)
The System of β Coronae Borealis, F. J. Neubauer, Astrophysical Journal99 (March 1944), pp. 134—144, Bibcode: 1944ApJ....99..134N. (англ.)
Speckle Interferometry. III. High-Resolution Measurements of Twelve Close Binary Systems, A. Labeyrie, D. Bonneau, R. V. Stachnik, and D. Y. Gezari, Astrophysical Journal194 (December 15, 1974), pp. L147-L151, Bibcode: 1974ApJ...194L.147L (англ.)
The Binary Nature of the Magnetic Star β CrB, L. Oetken and R. Orwert, Astronomische Nachrichten305, #6 (1984), pp. 317—323, Bibcode: 1984AN....305..317O (англ.)
Interferometer Orbits for Seven Binaries, A. A. Tokovinin, Soviet Astronomy Letters10, #2 (March-April 1984), pp. 121—123, Bibcode: 1984SvAL...10..121T. (англ.)
Astrometric-spectroscopy binary star orbits. IV — Beta Coronae Borealis, Karl W. Kamper, Harold A. McAlister, and William I. Hartkopf, Astronomical Journal100, #1 (July 1990), pp. 239—246, doi:10.1086/115510, Bibcode: 1990AJ....100..239K (англ.)
Visual binary orbits and masses post Hipparcos, Staffan Söderhjelm, Astronomy and Astrophysics341 (January 1999), pp. 121—140, Bibcode: 1999A&A...341..121S. (англ.)
§ 7, Limits to Tertiary Astrometric Companions in Binary Systems, Matthew W. Muterspaugh, Benjamin F. Lane, S. R. Kulkarni, Bernard F. Burke, M. M. Colavita, and M. Shao, Astrophysical Journal653, #2 (December 2006), pp. 1469—1479, Bibcode: 2006ApJ...653.1469M, doi:10.1086/508743. (англ.)