The onset of stellar multiplicity in massive star formation: A search for low-mass companions of massive young stellar objects with L′-band adaptive optics imagingE. Bordier, W.-J. de Wit, A. J. Frost, H. Sana, T. Pauwels and E. KoumpiaA&A, 681 (2024) A85DOI: https://doi.org/10.1051/0004-6361/202347548
