Radley, J. & Mellars, P.: «A Mesolithic structure at Deepcar, Yorkshire, England and the affinities of its associated flint industry», side 1-24. Proceedings of Prehistoric SocietyArkivert 7. oktober 2009 hos Wayback Machine., Vol. 30, 1964:
Radley, J. & Mellars, P.: «A Mesolithic structure at Deepcar, Yorkshire, England and the affinities of its associated flint industry», side 1-24. Proceedings of Prehistoric SocietyArkivert 7. oktober 2009 hos Wayback Machine., Vol. 30, 1964: