Spetsieri ZT, Bonanos AZ, Kourniotis M, Yang M, Lianou S, Bellas-Velidis I, Gavras P, Hatzidimitriou D, Kopsacheili M, Moretti MI, et al. The massive star population of the Virgo Cluster galaxy NGC 4535.  [Internet]. 2018:arXiv:1807.11493.