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2. Mössbauer spectrometry applied to the study of laboratory samples made of iron gall ink
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, in Iron Gall Inks: On Manufacture, Characterisation, Degradation and Stabilisation, ed. J. Kolar and M. Strlic, National and University Library, Ljubljana, 2006, ch. 3, pp. 20–24
4. Tintenfrassschäden und ihre Behandlung, ed. G. Banik and H. Weber, Kohlhammer, Stuttgart, 1999
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and M.Strlic, in Iron Gall Inks: On Manufacture, Characterisation, Degradation and Stabilisation, ed. J. Kolar and M. Strilic, National and University Library, Ljubljana, 2006, ch. 11, pp. 181–194