机译:Collection and consumption of echinoderms and crustaceans at the Mesolithic shell midden site of El Mazo (northern Iberia): Opportunistic behaviour or social strategy?
Univ Cantabria, Inst Int Invest Prehist Cantabria, Ed Interfacultat,Avda Castros S-N, E-39005 Santander, Cantabria, Spain;
Univ York, Dept Archaeol, York YO1 7EP, N Yorkshire, England;
Shellfish; Shell midden; Echinoderms; Crustaceans; Mesolithic;