1. M.A. Hollands, D. Koester, V. Alekseev, E.L. Herbert, B.T. Gänsicke, MNRAS 467, 4970–5000 (2017)
2. M.A. Hollands, B.T. Gänsicke, D. Koester, MNRAS 477, 93–111 (2018)
3. D. Koester, J. Girven, B.T. Gänsicke, P. Dufour, A &A 530, A114 (2011)
4. N.F. Allard, G. Guillon, V.A. Alekseev, J.F. Kielkopf, A &A 593, A13 (2016)
5. H. Harima, T. Ihara, Y. Urano, K. Tachibana, Phys. Rev. A 34, 4 (1986)