TY - JOUR A1 - Hoffschmidt, Bernhard A1 - Fend, Thomas A1 - Jorgensen, Gary T1 - Comparative assessment of solar concentrator materials / Thomas Fend ; Bernhard Hoffschmidt ; Gary Jorgensen ... T2 - Renewable energy for local communities of Europe : (toward Rio+10) ; proceedings / EuroSun 2002, the 4th ISES Europe Solar Congress ; Bologna (Italy), 23 - 26 June 2002 / ISES Italia Y1 - 2002 UR - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/2682 SN - 88-900893-0-X N1 - Eurosun <4, 2002, Bologna> ; International Solar Energy Society SP - paper_125.pdf CY - Bologna ER -