Rainer Kehl executive Director Siemens, « Modular LRV offers savings of 30% », in International Railway Journal, Dec 1996, 4 p.

« / » https://evolution.skf.com/axlebridge-designs-for-low-floor-tramways/

« / » https://www.sciencedirect.com/science/article/abs/pii/S1361920913000485

« / » https://railway-news.com/wp-content/uploads/2021/11/Skeleton-Technologies-Supercapacitors-in-the-Rail-Industry.pdf

« / » https://assets.new.siemens.com/siemens/assets/api/uuid:e4daa8ab-a06d-4a64-9673-19a8ba7310b3/avenio-imagebrochure-e.pdf

« / » https://uic.org/IMG/pdf/_27_technologies_and_potential_developments_for_energy_efficiency_and_co2_reductions_in_rail_systems._uic_in_colaboration.pdf

« / » https://www.researchgate.net/publication/342051657_Selection_and_ranking_of_rail_vehicle_components_for_optimal_lightweighting_using_composite_materials

« / » http://www.diva-portal.org/smash/get/diva2:416836/FULLTEXT01.pdf

« / » https://bombardier.com/en/media/news/bombardier-redefines-future-urban-transportation-59th-uitp-world-congress-dubai

« / » https://web.uniroma1.it/cdaingtrasporti/sites/default/files/Thesis_Mohammad%20Vajihi.pdf

« / » https://www.gosbcta.com/wp-content/uploads/2019/09/20191231_RPT_SBCTA_2019_Low_or_Zero_Emission_Multiple_Unit_Feasibility_Study.pdf