Daflon S., Cunha K., Butler K.
(2004) Astrophys. J. 604, 362
Chemical abundances for a sample of southern OB stars
2004ApJ...604..362D
Kumar B., Sagar R., Sanwal B.B., Bessell M.S.
(2004) Mon. Not. R. Astron. Soc. 353, 991
On the highly reddened members in six young galactic star clusters - a multiwavelength study
2004MNRAS.353..991K
Evans C.J., Smartt S.J., Lee J.-K., et al.
(2005) Astron. Astrophys. 437, 467
The VLT-FLAMES survey of massive stars: Observations in the galactic clusters NGC 3293, NGC 4755 and NGC 6611
2005A&A...437..467E
Kharchenko N.V., Piskunov A.E., Röser S., Schilbach E., Scholz R.-D.
(2005) Astron. Astrophys. 438, 1163
Astrophysical parameters of galactic open clusters
2005A&A...438.1163K
Wolff S.C., Strom S.E., Dror D., Lanz L., Venn K.
(2006) Astron. J. 132, 749
Stellar Rotation: A Clue to the Origin of High-Mass Stars?
2006AJ....132..749W
Dufton P.L., Smartt S.J., Lee J.K., Ryans R.S.I., Hunter I., Evans C.J., Herrero A., Trundle C., Lennon D.J., Irwin M.J., Kaufer, A.
(2006) Astron. Astrophys. 457, 265
The VLT-FLAMES survey of massive stars: stellar parameters and rotational velocities in NGC 3293, NGC 4755 and NGC 6611
2006A&A...457..265D
Stassun K.G, van den Berg M., Feigelson E., Flaccomio E.
(2006) Astrophys. J. 649, 914
A Simultaneous Optical and X-Ray Variability Study of the Orion Nebula Cluster. I. Incidence of Time-correlated X-Ray/Optical Variations
2006ApJ...649..914S
Orsatti A.M., Vega E.I., Marraco H.G.
(2006) Astron. J. 132, 1783
Polarimetry in the Outskirts of NGC 6611
2006AJ....132.1783O
Wolff S.C., Strom S.E., Dror D., Venn K.
(2007) Astron. J. 133, 1092
Rotational Velocities for B0-B3 Stars in Seven Young Clusters: Further Study of the Relationship between Rotation Speed and Density in Star-Forming Regions
2007AJ....133.1092W
Guarcello M.G., Micela G., Damiani F., Peres G., Prisinzano L., Sciortino S.
(2009) Astron. Astrophys. 496, 453
Correlation between the spatial distribution of circumstellar disks and massive stars in the young open cluster NGC 6611. II. Cluster members selected with Spitzer/IRAC
2009A&A...496..453G
Oliveira J.M., Jeffries R.D., van Loon J.Th.
(2009) Mon. Not. R. Astron. Soc. 392, 1034
The low-mass initial mass function in the young cluster NGC6611
2009MNRAS.392.1034O
Sana H., Gosset E., Evans C.J.
(2009) Mon. Not. R. Astron. Soc. 400, 1479
The massive star binary fraction in young open clusters - II. NGC6611 (Eagle Nebula)
2009MNRAS.400.1479S
Kharchenko N.V., Piskunov A.E., Röser S., Schilbach E., Scholz R.-D., Zinnecker H.
(2009) Astron. Astrophys. 504, 681
Integrated BVJHKs parameters and luminosity functions of 650 Galactic open clusters
2009A&A...504..681K