Geoarchaeology and chronostratigraphy of the Middle-Upper Palaeolithic transition at the cave of La Güelga (Cangas de Onís, Asturias, Spain) - Jordá Pardo, J. F. (Jesús F.) (Pleistocene foragers on the Iberian Peninsula : their culture and environment : Festschrift in honour of Gerd-Christian Weniger for his sixtieth birthday, 2013)