@article{Lawrence_2007, title={Neolithic mortuary practice in Orkney}, volume={136}, url={http://journals.socantscot.org/index.php/psas/article/view/9673}, DOI={10.9750/PSAS.136.47.59}, journal={Proceedings of the Society of Antiquaries of Scotland}, author={Lawrence, David}, year={2007}, month={Nov.}, pages={47-59} }