论文信息 - Why is necessary to reduce the speed in urban areas to 30 Km/h? - 字舞流文

Why is necessary to reduce the speed in urban areas to 30 Km/h?

Alaitz Linares Unamunzaga | Hernán Gonzalo-Orden | Heriberto Pérez-Acebo | Hernán Gonzalo-Orden | Marta Rojo Arce | Nadia Aponte