TY - JOUR T1 - The Young and the Massive: Stars at the upper end of the Initial Mass Function JO - Proceedings of the International Astronomical Union UR - https://doi.org/10.1017/s174392131700326x PY - 2017/07/28 AU - Caballero-Nieves SM AU - Crowther PA ED - DO - DOI: 10.1017/s174392131700326x PB - Cambridge University Press (CUP) VL - 12 IS - S329 SP - 104 EP - 109 Y2 - 2025/11/06 ER -