@article{Laing_Laing_1985, title={The date and origin of the Pictish symbols}, volume={114}, url={http://journals.socantscot.org/index.php/psas/article/view/9164}, DOI={10.9750/PSAS.114.261.276}, journal={Proceedings of the Society of Antiquaries of Scotland}, author={Laing, Lloyd and Laing, Jennifer}, year={1985}, month={Nov.}, pages={261-276} }