1. M. Matteini, A. Moles, La Química en la Restauración, NEREA (Ed.), 2001, p. 19.
2. B. Guineau, I. Villela-Petit, J. Vezin, A. Roy, P. Smith (Eds.), Pinting Techniques: History, Materials and Studio Practice, Contributions to the Dublin Congress, The International Institute for Conservation of Historic and Artistic Works, 1998, p. 31.
3. J. Burandt, American Institute for Conservation Book and Paper Group Annual 13, 1994.
4. Peer Reviewed: Raman Microscopy of A 13th-Century Illuminated Text