@article{HoffschmidtFendPitzPaaletal.2006,
  author    = {Bernhard Hoffschmidt and Thomas Fend and Robert Pitz-Paal and Oliver Reutter},
  title     = {Porous materials as open volumetric solar receivers - Experimental determination of thermophysical and heat transfer properties / Thomas Fend ; Bernhard Hoffschmidt ...},
  journal   = {Energy. 29 (2004), H. 5},
  pages     = {823 -- 834},
  year      = {2006},
}