Open clusters - III. Fundamental parameters of B stars in NGC 6087, NGC 6250, NGC 6383, and NGC 6530 B-type stars with circumstellar envelopesY. Aidelman, L. S. Cidale, J. Zorec and J. A. PaneiA&A, 610 (2018) A30DOI: https://doi.org/10.1051/0004-6361/201730995
