Hominin Footprints from Early Pleistocene Deposits at Happisburgh, UK Ashton, Nick ; Lewis, Simon G. ; De Groote, Isabelle ; Duffy, Sarah M. ; Bates, Martin ; Bates, Richard ; Hoare, Peter ; Lewis, Mark ; Parfitt, Simon A. ; Peglar, Sylvia ; Williams, Craig ; Stringer, Chris Abstract Publication: PLoS ONE Pub Date: February 2014 DOI: 10.1371/journal.pone.0088329 Bibcode: 2014PLoSO...988329A