Naranjo Tabares, D., and J. M. Riola Rodríguez. “Zero Pollution: Design of a River Tourist Pontoon With Electric Propulsion Based on Hydrogen Fuel Cell”. Ciencia Y tecnología De Buques, vol. 17, no. 33, July 2023, pp. 9-19, https://shipjournal.co/index.php/sst/article/view/238.