Layden, Andrew C.; Hanson, Robert B.; Hawley, Suzanne L.; Klemola, Arnold R.; Hanley, Christopher J. (1996). “The Absolute Magnitude and Kinematics of RR Lyrae Stars Via Statistical Parallax”. The Astronomical Journal112: 2110. arXiv:astro-ph/9608108. Bibcode: 1996AJ....112.2110L. doi:10.1086/118167. ISSN0004-6256.
Szabó, R.; Kolláth, Z.; Molnár, L.; Kolenberg, K.; Kurtz, D. W.; Bryson, S. T.; Benkő, J. M.; Christensen-Dalsgaard, J. et al. (2010). “Does Kepler unveil the mystery of the Blazhko effect? First detection of period doubling in Kepler Blazhko RR Lyrae stars”. Monthly Notices of the Royal Astronomical Society409 (3): 1244-1252. arXiv:1007.3404. Bibcode: 2010MNRAS.409.1244S. doi:10.1111/j.1365-2966.2010.17386.x. ISSN0035-8711.
Layden, Andrew C.; Hanson, Robert B.; Hawley, Suzanne L.; Klemola, Arnold R.; Hanley, Christopher J. (1996). “The Absolute Magnitude and Kinematics of RR Lyrae Stars Via Statistical Parallax”. The Astronomical Journal112: 2110. arXiv:astro-ph/9608108. Bibcode: 1996AJ....112.2110L. doi:10.1086/118167. ISSN0004-6256.
Szabó, R.; Kolláth, Z.; Molnár, L.; Kolenberg, K.; Kurtz, D. W.; Bryson, S. T.; Benkő, J. M.; Christensen-Dalsgaard, J. et al. (2010). “Does Kepler unveil the mystery of the Blazhko effect? First detection of period doubling in Kepler Blazhko RR Lyrae stars”. Monthly Notices of the Royal Astronomical Society409 (3): 1244-1252. arXiv:1007.3404. Bibcode: 2010MNRAS.409.1244S. doi:10.1111/j.1365-2966.2010.17386.x. ISSN0035-8711.
Layden, Andrew C.; Hanson, Robert B.; Hawley, Suzanne L.; Klemola, Arnold R.; Hanley, Christopher J. (1996). “The Absolute Magnitude and Kinematics of RR Lyrae Stars Via Statistical Parallax”. The Astronomical Journal112: 2110. arXiv:astro-ph/9608108. Bibcode: 1996AJ....112.2110L. doi:10.1086/118167. ISSN0004-6256.
Szabó, R.; Kolláth, Z.; Molnár, L.; Kolenberg, K.; Kurtz, D. W.; Bryson, S. T.; Benkő, J. M.; Christensen-Dalsgaard, J. et al. (2010). “Does Kepler unveil the mystery of the Blazhko effect? First detection of period doubling in Kepler Blazhko RR Lyrae stars”. Monthly Notices of the Royal Astronomical Society409 (3): 1244-1252. arXiv:1007.3404. Bibcode: 2010MNRAS.409.1244S. doi:10.1111/j.1365-2966.2010.17386.x. ISSN0035-8711.
Layden, Andrew C.; Hanson, Robert B.; Hawley, Suzanne L.; Klemola, Arnold R.; Hanley, Christopher J. (1996). “The Absolute Magnitude and Kinematics of RR Lyrae Stars Via Statistical Parallax”. The Astronomical Journal112: 2110. arXiv:astro-ph/9608108. Bibcode: 1996AJ....112.2110L. doi:10.1086/118167. ISSN0004-6256.
Szabó, R.; Kolláth, Z.; Molnár, L.; Kolenberg, K.; Kurtz, D. W.; Bryson, S. T.; Benkő, J. M.; Christensen-Dalsgaard, J. et al. (2010). “Does Kepler unveil the mystery of the Blazhko effect? First detection of period doubling in Kepler Blazhko RR Lyrae stars”. Monthly Notices of the Royal Astronomical Society409 (3): 1244-1252. arXiv:1007.3404. Bibcode: 2010MNRAS.409.1244S. doi:10.1111/j.1365-2966.2010.17386.x. ISSN0035-8711.