@article{HoffschmidtPitzPaalBoehmer1999,
  author    = {Hoffschmidt, Bernhard and Pitz-Paal, Robert and B{\"o}hmer, M.},
  title     = {A new closed/open volumetric receiver concept for parabolictrough collectors (test results)},
  series = {Journal de physique. 9 (1999), H. 3},
  journal   = {Journal de physique. 9 (1999), H. 3},
  isbn      = {1155-4339},
  pages     = {3},
  year      = {1999},
  language  = {en}
}
@inproceedings{TeixeiraBouraEcksteinFelinksetal.2011,
  author    = {Teixeira Boura, Cristiano Jos{\´e} and Eckstein, J. and Felinks, J. and G{\"o}ttsche, Joachim and Hoffschmidt, Bernhard and Schmitz, S.},
  title     = {3-D CFD simulation of an air-sand heat exchanger},
  series = {SolarPACES 2011 : concentrating solar power and chemical energy systems : 20 - 23 September, 2011, Granada, Spain},
  booktitle = {SolarPACES 2011 : concentrating solar power and chemical energy systems : 20 - 23 September, 2011, Granada, Spain},
  address   = {Granada},
  pages     = {1 CD-ROM},
  year      = {2011},
  language  = {en}
}