Composition and spectroscopic properties of historic Cr logwood inks Centeno, Silvia A. ; Bronzato, Maddalena ; Ropret, Polonca ; Zoleo, Alfonso ; Venzo, Alfonso ; Bogialli, Sara ; Badocco, Denis Abstract Publication: Journal of Raman Spectroscopy Pub Date: December 2016 DOI: 10.1002/jrs.4938 Bibcode: 2016JRSp...47.1422C