Near infrared spectroscopy and star-formation histories of 3 ≤ z ≤ 4 quiescent galaxiesC. Schreiber, K. Glazebrook, T. Nanayakkara, G. G. Kacprzak, I. Labbé, P. Oesch, T. Yuan, K.-V. Tran, C. Papovich, L. Spitler and C. StraatmanA&A, 618 (2018) A85DOI: https://doi.org/10.1051/0004-6361/201833070