1.
Woolliscroft DJ, Hoffmann B. The Roman Gask system tower at Shielhill South, Perthshire: excavations in 1973 and 1996. PSAS [Internet]. 1999 Nov. 30 [cited 2024 Nov. 22];128:441-60. Available from: https://journals.socantscot.org/index.php/psas/article/view/10014