-DRONFIELD, J., "Migraine, Ligth and Hallucinogens: The Neurocogtinive basis of Irish Megalithic Art", Oxford Journal of Archaeology, 14, 3, 1995, pp. 261-275.
-DRONFIELD, J., "Migraine, Ligth and Hallucinogens: The Neurocogtinive basis of Irish Megalithic Art", Oxford Journal of Archaeology, 14, 3, 1995, pp. 261-275.