@book{VillaretFrohboeseJaehnigetal.2015,
  author    = {Stephan Villaret and Bernd Frohb{\"o}se and Jan J{\"a}hnig and Carsten Karcher and J{\"u}rgen Niessen and Micha Tobias Buch and Ulf Zander},
  title     = {Entwicklung von repr{\"a}sentativen Substanzwerten in homogenen Abschnitten},
  isbn      = {978-3-95606-213-1},
  year      = {2015},
}