Guan, Ke, Ai, Bo, Zhong, Zhangdui, López, Carlos, Lei, Zhang and Briso Rodríguez, César ORCID: https://orcid.org/0000-0001-8219-9110 (2014). Excess propagation loss for train-to-x communications in curved subway tunnels. In: "2014 IEEE Vehicular Networking Conference (VNC)", 3/12/2014 - 5/12/2014, Paderborn (Germany). ISBN 978-1-4799-7660-7. pp. 195-196. https://doi.org/10.1109/VNC.2014.7013344.