@article{Christison_1900, title={The Forts, ’Camps,’ and other Field-Works of Perth, Forfar, and Kincardine}, volume={34}, url={http://journals.socantscot.org/index.php/psas/article/view/6763}, DOI={10.9750/PSAS.034.43.120}, journal={Proceedings of the Society of Antiquaries of Scotland}, author={Christison, David}, year={1900}, month={Nov.}, pages={43-120} }