César Benavente-Peces María Puente Alfonso Domínguez-García Manuel Lugilde-Rodríguez Enrique de la Serna David Miguel Ander García Global System for Localization and Guidance of Dependant People: Indoor and Outdoor Technologies Integration. 82-89 2009 ICOST http://dx.doi.org/10.1007/978-3-642-02868-7_11 conf/icost/2009 db/conf/icost/icost2009.html#Benavente-PecesPDLSMG09