@article{HoffschmidtFendJorgensenetal.2006,
  author    = {Bernhard Hoffschmidt and Thomas Fend and Gary Jorgensen and Harald K{\"u}ster},
  title     = {Comparative assessment of solar concentrator materials / Fend, Thomas ; Hoffschmidt, Bernhard ; Jorgensen, Gary ; K{\"u}ster, Harald ; Kr{\"u}ger, Dirk ; Pitz-Paal, Robert ; Riebrock, Peter ; Riffelmann, Klaus-J{\"u}rgen},
  journal   = {Solar energy. 74 (2003), H. 2},
  pages     = {149 -- 155},
  year      = {2006},
}