Mixed H/He bursts in SAX J1748.9–2021 during the spectral change of its 2015 outburst Z. Li, V. De Falco, M. Falanga, E. Bozzo, L. Kuiper, J. Poutanen, A. Cumming, D. K. Galloway and S. Zhang A&A, 620 (2018) A114 Published online: 06 December 2018 DOI: 10.1051/0004-6361/201833857