Molecular emission from GG Carinae's circumbinary disk.
M. Kraus, M. E. Oksala, D. H. Nickeler, M. F. Muratore, M. Borges Fernandes, A. Aret, L. Cidale & W. J. de Wit.
A&A, 549, 28, 2013.

How the mass-loss rates of red-supergiants determine the fate of massive stars ?
C. Georgy, S. Ekstrom, S. Hideyuki, M. Georges, J. Groh & A. Granada.
EAS Publication Series, 60, 43G, 2013.

Populations of rotating stars. I. Models from 1.7 to 15 M_⊙ at Z = 0.014, 0.006, and 0.002 with Ω/Ω_crit between 0 and 1.
C. Georgy, S. Ekstrom, A. Granada, G. Meynet, N. Mowlavi, P. Eggenberger, & A. Maeder.
A&A, 553, A24, 2013.

Populations of rotating stars II. Rapid rotators and their link to Be-type stars.
A. Granada, S. Ekstrom, C. Georgy, J. Krticka, S. Owocki, G. Maynet & A. Maeder.
A&A, 553, A25, 2013.

Probing the ejecta of evolved massive stars in transition. A VLT/SINFONI K-band survey.
M. E. Oksala, M. Kraus, L. S. Cidale, M. F. Muratore & M. Borges Fernandes.
A&A, 558, 17, 2013.

Macroclumping as solution of the discrepancy between Hα a and P v mass loss diagnostics for O-type stars.
B. Surlan, W. R. Hamann, A. Aret, J. Kubát, L. M. Oskinova & A. Torres.
A&A, 559, id. A130, 2013.

Relations between observable parameters of collisionally broadened emission lines of rotating stars: a useful plot.
A. Cruzado & H. O. Di Rocco.
Physica Scripta, 88, id. 055901, 2013.