Chen, X.; de Grijs, R.; Deng, L. (19 November 2014). "A search for open cluster Cepheids in the Galactic plane". Monthly Notices of the Royal Astronomical Society. 446 (2): 1268–1282. arXiv:1410.4489. Bibcode:2015MNRAS.446.1268C. doi:10.1093/mnras/stu2165.
Chen, X.; de Grijs, R.; Deng, L. (19 November 2014). "A search for open cluster Cepheids in the Galactic plane". Monthly Notices of the Royal Astronomical Society. 446 (2): 1268–1282. arXiv:1410.4489. Bibcode:2015MNRAS.446.1268C. doi:10.1093/mnras/stu2165.
Chen, X.; de Grijs, R.; Deng, L. (19 November 2014). "A search for open cluster Cepheids in the Galactic plane". Monthly Notices of the Royal Astronomical Society. 446 (2): 1268–1282. arXiv:1410.4489. Bibcode:2015MNRAS.446.1268C. doi:10.1093/mnras/stu2165.