@incollection{HoffschmidtAlexopoulosRauetal.2012,
  author    = {Hoffschmidt, Bernhard and Alexopoulos, Spiros and Rau, Christoph and Sattler, Johannes Christoph and Anthrakidis, Anette and Teixeira Boura, Cristiano Jos{\´e} and O'Connor, P. and Hilger, Patrick},
  title     = {Concentrating solar power},
  series = {Comprehensive renewable energy / ed. Ali Sayigh. Vol. 3: Solar thermal systems: components and applications},
  volume    = {3},
  booktitle = {Comprehensive renewable energy / ed. Ali Sayigh. Vol. 3: Solar thermal systems: components and applications},
  publisher = {Elsevier},
  address   = {Amsterdam},
  isbn      = {978-0-08-087872-0},
  doi       = {10.1016/B978-0-08-087872-0.00319-X},
  pages     = {595 -- 636},
  year      = {2012},
  language  = {en}
}
@incollection{Alexopoulos2013,
  author    = {Alexopoulos, Spiros},
  title     = {Biomass technology and bio-fuels: Heating/cooling and power},
  series = {Renewable energy systems : theory, innovations, and intelligent applications / eds.: Socrates Kaplanis and Eleni Kaplani},
  booktitle = {Renewable energy systems : theory, innovations, and intelligent applications / eds.: Socrates Kaplanis and Eleni Kaplani},
  publisher = {Nova Science Publ.},
  address   = {Hauppauge, NY},
  isbn      = {9781624177415},
  pages     = {501 -- 523},
  year      = {2013},
  language  = {en}
}
@incollection{MelissSpaete1997,
  author    = {Meliß, Michael and Sp{\"a}te, Frank},
  title     = {Berechnung von Sonnenstand und -strahlung},
  series = {Regenerative Energiequellen : Praktikum / ed. Michael Meliß},
  booktitle = {Regenerative Energiequellen : Praktikum / ed. Michael Meliß},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {3-540-63218-2},
  doi       = {10.1007/978-3-642-60864-3_2},
  pages     = {5 -- 22},
  year      = {1997},
  language  = {de}
}
@incollection{MelissSpaete1997,
  author    = {Meliß, Michael and Sp{\"a}te, Frank},
  title     = {Auslegung von solarthermischen Anlagen},
  series = {Regenerative Energiequellen : Praktikum / ed. Michael Meliß},
  booktitle = {Regenerative Energiequellen : Praktikum / ed. Michael Meliß},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {3-540-63218-2},
  doi       = {10.1007/978-3-642-60864-3_3},
  pages     = {23 -- 47},
  year      = {1997},
  language  = {de}
}