Freier Raine, D., Ramirez-Iniguez, R., Jafry, T., Muhammad-Sukki, F., & Gamio, C. (2020). Design method of a compact static nonimaging concentrator for portable photovoltaics using parameterisation and numerical optimisation. Applied energy, 266, Article 114821. https://doi.org/10.1016/j.apenergy.2020.114821