Constantinos Patsakis Achilleas Papageorgiou Francisco Falcone Agusti Solanas s-health as a driver towards better emergency response systems in urban environments. 214-218 2015 MeMeA https://doi.org/10.1109/MeMeA.2015.7145201 conf/memea/2015 db/conf/memea/memea2015.html#PatsakisPFS15