TY - JOUR A1 - Hoffschmidt, Bernhard A1 - Fend, Thomas A1 - Pitz-Paal, Robert A1 - Reutter, Oliver T1 - Two novel high-porosity materials as volumetric receivers for concentrated solar radiation / Thomas Fend ; Robert Pitz-Paal ; Oliver Reutter ... Bernhard Hoffschmidt T2 - Solar energy materials & solar cells. 84 (2004), H. 1 Y1 - 2004 UR - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/2685 SN - 0927-0248 SP - 291 EP - 304 ER -