@article { article,
title = {A Mathematical Study of Barcelona Metro Network},
author = {Irene Mariñas-Collado, Elisa Frutos Bernal, Maria Teresa Santos Martin, Angel Martín del Rey, Roberto Casado Vara, Ana Belen Gil-González},
journal = {Electronics},
publisher = {MDPI},
volume = {10(5)},
year = {2021}
}