TY - JOUR A1 - Bushra, Nayab A1 - Hartmann, Timo T1 - A Review of State-of-the-Art Reflective Two-Stage Solar Concentrators: Technology Categorization and Research Trends JF - Renewable and Sustainable Energy Reviews KW - receiver application KW - two-stage KW - geometry KW - concentration ratio KW - optical performance Y1 - 2019 U6 - https://doi.org/10.1016/j.rser.2019.109307 SN - 1364-0321 VL - 114 IS - 2019, October PB - Elsevier ER -