1. Airbus Zephyr (2021) https://www.airbus.com/defence/uav/zephyr.html (accessed 23 April 2021).
2. Environmental Life Cycle Assessment of Solar Home Systems;Alsema,2000
3. Towards an optimized design method for PV-powered consumer and professional applications: The SYN-Energy project;Alsema,2005
4. Improvements in solar battery;Anonymous;Journal of the Franklin Institute,1955
5. Users’ Interactions with PV-Powered Products;Apostolou,2020