High Integrity EGNSS Layer for Multimodal Eco-friendly Transportation; GNSS and Copernicus in Rail –state of art - NERI, Alessandro; CAPUA, Roberto; FILIP, Aleš; CRESPILLO, Omar Garcia; KUTIK, Ondrej; Loupis, Michael; SALVATORI, Pietro (https://dx.doi.org/10.13140/RG.2.2.30913.48486, 2020)