Barclay GJ, Simpson I & Davidson D (1995) The Cleaven Dyke: A Neolithic cursus monument/bank barrow in Tayside region, Scotland. Antiquity, 69 (263), pp. 317-326. http://www.antiquity.ac.uk/ant/069/Ant0690317.htm
A linear earthwork in lowland Scotland, known a couple of centuries and often thought to be connected to Roman military operations on this far north frontier, is shown to be a Neolithic feature of a kind more often seen further south in Britain.
Antiquity: Volume 69, Issue 263