@article{HoffschmidtKruegerHennecke2006,
  author    = {Bernhard Hoffschmidt and D. Kr{\"u}ger and K. Hennecke},
  title     = {Results from parabolic trough systems for process heat at the DLR Cologne / D. Kr{\"u}ger ; B. Hoffschmidt ; K. Hennecke ...},
  journal   = {Solar thermal 2000 : proceedings of the 10th SolarPACES International Symposium on Solar Thermal Concentrating Technologies, Sydney, Australia, 8 - 10 March 2000 ; part of the},
  pages     = {113 -- 120},
  year      = {2006},
}