Blanco, Ileana, Simone Pascuzzi, Alexandros Sotirios Anifantis, and Giacomo Scarascia-Mugnozza. 2014. “Study of a Pilot Photovoltaic-Electrolyser-Fuel Cell Power System for a Geothermal Heat Pump Heated Greenhouse and Evaluation of the Electrolyser Efficiency and Operational Mode”. Journal of Agricultural Engineering 45 (3):111-18. https://doi.org/10.4081/jae.2014.238.