Kolar, Jana et al. "Stabilisation of Iron Gall Ink: Aqueous Treatment with Magnesium Phytate." e-Preservation Science 4 (2007): 19-24.

Kolar, Jana et al. "Stabilisation of Iron Gall Ink: Aqueous Treatment with Magnesium Phytate." e-Preservation Science 4 (2007): 19-24.