The role of the limestone in the Middle Palaeolithic technological behaviours through the refitting and the spatial patterning analysis: the level O of the Abric Romaní site (Capellades, Barcelona, Spain) - Bargalló Ferrerons, Amèlia; Chacón Navarro, Maria Gema; Gómez de Soler, Bruno; Soto, María (Debating Spatial Archaeology: Proceedings Of The International Worshop On Landscape And Spatial Analysis In Archaeology, Santander, June 8th- 9th, 2012, 2014)