Testing massive star evolution, star formation history, and feedback at low metallicity - Spectroscopic analysis of OB stars in the SMC WingV. Ramachandran, W.-R. Hamann, L. M. Oskinova, J. S. Gallagher, R. Hainich, T. Shenar, A. A. C. Sander, H. Todt and L. FulmerA&A, 625 (2019) A104DOI: https://doi.org/10.1051/0004-6361/201935365