Saesen S., Carrier F., Pigulski A. et al.
(2010) Astron. Astrophys. 515, A16
Photometric multi-site campaign on the open cluster NGC 884. I. Detection of the variable stars
2010A&A...515A..16S
Piskunov A.E., Kharchenko N.V., Schilbach E., Röser S., Scholz R.-D., Zinnecker H.
(2011) Astron. Astrophys. 525, A122
The evolution of luminosity, colour, and the mass-to-luminosity ratio of Galactic open clusters. Comparison of discrete vs. continuous IMF models
2011A&A...525A.122P
Mathew B., Subramaniam A.
(2011) Bull. Astr. Soc. India 39, 517
Optical spectroscopy of Classical Be stars in open clusters
2011BASI...39..517M
Marsh Boyer A.N., McSwain M.V., Aragona C., Ou-Yang B.
(2012) Astron. J. 144, 158
Physical Properties of the B and Be Star Populations of h and Chi Persei
2012AJ....144..158M
Bhatt H., Pandey J.C., Singh K.P., Sagar R., Kumar B.
(2013) Journal of Astrophysics and Astronomy 34, 393
X-ray Observations of Eight Young Open Star Clusters: I. Membership and X-ray Luminosity
2013JApA...34..393B