Investigation of Engraved Chalk Plaques from the Stonehenge Region

Davis, B., Harding, P. and Leivers, M. (2021) ‘Reflectance Transformation Imaging (RTI) Investigation of Engraved Chalk Plaques from the Stonehenge Region’, Proceedings of the Prehistoric Society, 87, pp. 133–160. doi:10.1017/ppr.2021.13 is available as a pdf from: https://www.cambridge.org as an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.

Fascinating study which I didn't realise was available for free.