Mercer, J., George, D. J., George, M. J., Stant, M., Waterston, R., Collins, G., Sanderson, R., Werner, A., Binn, R., McKerrell, H., & Brothwell, D. (1974). A regression-time stone-workers’ camp, 33ft OD, Lussa River, Isle of Jura. Proceedings of the Society of Antiquaries of Scotland, 103, 1-32. https://doi.org/10.9750/PSAS.103.1.32