i TABLE OF CONTENTS Preface ................................................................................................................................... 1 Mariana Diniz The Portalón at Cueva Mayor (Sierra de Atapuerca, Spain): a new archaeological sequence ........................................................................................ 3 Ortega, A.I.; Juez, L.; Carretero, J.M.; Arsuaga, J.L.; Pérez-González, A.; Ortega, M.C.; Pérez, R.; Pérez, A.; Rodríguez, A.D.; Santos, E.; García, R.; Gómez, A.; Rodríguez, L.; Martínez de Pinillos, M. & Martínez, I. Torca l’Arroyu: A new holocene site in the centre of Asturias (North of Spain) ................ 11 Rogelio Estrada García, Jesús F. Jordá Pardo, Joan S. Mestres Torres and José Yravedra Sainz de los Terreros From “Inland Neolithic” to “Neolithic dwelling in the inland”: the role of homogeneous and heterogeneous elements on the explanation of earlier agricultural stages in Central Spain ................................................................ 19 Enrique Cerrillo Cuenca Néolithisation et structure sociale: données et discussion dans le nord-est de l’Espagne ................................................................................................................... 29 Xavier Clop; Juan Francisco Gibaja El Valle de Ambrona (Soria, España): un referente cronológico para la primera ocupación neolítica del interior peninsular .................................................................... 35 Manuel A. Rojo-Guerra, Rafael Garrido-Pena e Íñigo García-Martínez-de-Lagrán Neolithisation process in lower Tagus valley left bank: old perspectives and new data................................................................................................................... 43 César Neves, Filipa Rodrigues, Mariana Diniz Early Neolithic at the Serpis Valley, Alicante, Spain .......................................................... 53 J. Bernabeu Aubán, LL. Molina Balaguer, T. Orozco Köhler, A. Diez Castillo, C.M. Barton Sources of monumentality: standing stones in context (Fontaínhas, Alentejo Central, Portugal) ........................................................................ 61 Manuel Calado, Leonor Rocha Castelo Belinho (Algarve, Portugal) and the first Southwest Iberian Villages .................... 71 Mário Varela Gomes