Registro Arqueológico y Evolución Social Antes de la Edad del Hierro / Archaeological Record and Social Evolution before the Iron Age A study of the prehistory of the Balearic Islands, Spain, with regard to the archaeological record of the region and its social evolution before the Iron Age. Authors: Víctor M. Guerrero Ayuso, Manuel Calvo Trias, Jaume García Rosselló and Simón Gornés Hachero