Pike, Alistair W G 2005a
From International Robin Hood Bibliography
Pike, Alistair W. G.; Gilmour, Mabs; Pettitt, Paul; Jacobi, Roger; Ripoll, Sergio; Bahn, Paul; Muñoz, Francisco. 'Verification of the Age of the Palaeolithic Cave Art at Creswell Crags, UK', Journal of Archaeological Science, vol. 32 (2005), pp. 1649–55.
Bibliographical sources