Smith, Horace A. et al. (January 2003), «The Blazhko Effect of RR Lyrae in 1996», The Publications of the Astronomical Society of the Pacific115 (803): 43-48, Bibcode:2003PASP..115...43S, doi:10.1086/345458.
Chadid, M. (2014), «First Detection of Multi-shocks in RR Lyrae Stars from Antarctica: A Possible Explanation of the Blazhko Effect», The Astronomical Journal148 (5): 88-94, Bibcode:2014AJ....148...88C, doi:10.1088/0004-6256/148/5/88.
Smith, Horace A. et al. (January 2003), «The Blazhko Effect of RR Lyrae in 1996», The Publications of the Astronomical Society of the Pacific115 (803): 43-48, Bibcode:2003PASP..115...43S, doi:10.1086/345458.
Chadid, M. (2014), «First Detection of Multi-shocks in RR Lyrae Stars from Antarctica: A Possible Explanation of the Blazhko Effect», The Astronomical Journal148 (5): 88-94, Bibcode:2014AJ....148...88C, doi:10.1088/0004-6256/148/5/88.
Benedict, G. Fritz; McArthur, B. E.; Fredrick, L. W.; Harrison, T. E.; Lee, J.; Slesnick, C. L.; Rhee, J.; Patterson, R. J.; Nelan, E.; Jefferys, W. H.; van Altena, W.; Shelus, P. J.; Franz, O. G.; Wasserman, L. H.; Hemenway, P. D.; Duncombe, R. L.; Story, D.; Whipple, A. L.; Bradley, A. J. (2002). «Astrometry with the Hubble Space Telescope: A Parallax of the Fundamental Distance Calibrator RR Lyrae». The Astronomical Journal123 (1). 473.
Perryman, M. A. C.; Lindegren, L.; Kovalevsky, J.; Hoeg, E.; Bastian, U.; Bernacca, P. L.; Crézé, M.; Donati, F.; Grenon, M.; van Leeuwen, F.; van der Marel, H.; Mignard, F.; Murray, C. A.; Le Poole, R. S.; Schrijver, H.; Turon, C.; Arenou, F.; Froeschlé, M.; Petersen, C. S. (1997). «The HIPPARCOS Catalogue». Astronomy and Astrophysics323. L49.
simbad.u-strasbg.fr
«SIMBAD». Datos para RR Lyrae. Consultado el 6 de agosto de 2008.