@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 [u.a.]},
  isbn      = {3-540-63218-2},
  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 [u.a.]},
  isbn      = {3-540-63218-2},
  pages     = {23 -- 47},
  year      = {1997},
  language  = {de}
}