Garrod, D. A. E., Buxton, L. H. D., Elliot-Smith, G., Bate, D.M. A. (1928). "Excavation of a Mousterian rock-shelter at Devil's Tower, Gibraltar". Journal of the Royal Anthropological Institute. 58: 33–113. JSTOR4619528.{{cite journal}}: CS1 maint: multiple names: authors list (link)