SPECTIX, a PETAL+ X-ray spectrometer: design, calibration and preliminary tests. (5th January 2018) - Reverdin, C.; Bastiani, S.; Batani, D.; Brambrink, E.; Boutoux, G.; Duval, A.; Hulin, S.; Jakubowska, K.; Koenig, M.; Lantuéjoul-Thfoin, I.; Lecherbourg, L.; Szabo, C.I.; et al.