Dupraz, C.; Marrou, H.; Talbot, G.; Dufour, L.; Nogier, A.; Ferard, Y. (2011). "Combining solar photovoltaic panels and food crops for optimising land use: Towards new agrivoltaic schemes". Renewable Energy. 36 (10): 2725–2732. doi:10.1016/j.renene.2011.03.005.