Characterization of Al(III) complexes with hematein in artistic alum logwood inksv. 41No. 4445–451
Centeno, Silvia A., Ropret, Polonca, Federico, Eleonora Del, Shamir, Jacob, Itin, Boris, and Jerschow, Alexej. 2010. "Characterization of Al(III) complexes with hematein in artistic alum logwood inks." Journal of Raman Spectroscopy, 41, (4) 445–451.