Cita recomanada
Fort, Joaquim ; Pérez Losada, Joaquim ; Isern Sardó, Neus. (2007). Fronts from integrodifference equations and persistence effects on the Neolithic transition. Girona: Universitat. [Consulta: 22 Maig 2013]. Disponible a: http://hdl.handle.net/10256/1011