Securing wireless sensor networks towards a trusted Internet of Things - Zahariadis, Theodore; Trakadas, Panagiotis; Leligou, Helen; Papadopoylos, Kostas; Ladis, Evangelos; Tselikis, Christos; Vangelatos, Charalampos; Besson, Lionel; Manner, Jukka; Loupis, Michalis; others (Towards the Future Internet, 2009)