Layout of ancient Greek papyri through lead-drawn ruling lines revealed by Macro X-Ray Fluorescence Imaging. - Romano, Francesco P.; Puglia, Enzo; Caliri, Claudia; Pavone, Danilo P.; Alessandrelli, Michele; Busacca, Andrea; Fatuzzo, Claudia G.; Fleischer, Kilian J.; Pernigotti, Carlo; Preisler, Zdenek; Vassallo, Christian; Verhasselt, Gertjan; et al. (Scientific Reports, 2023)