@incollection{HeringMartinStohreretal.2021,
  author    = {E. Hering and R. Martin and M. Stohrer and H. Lesch and H. K{\"a}{\"s} and G. Kurz and W. Schulz},
  title     = {Kosmologie},
  booktitle = {Hering, E., Martin, R., Stohrer, M.: Physik f{\"u}r Ingenieure},
  edition   = {13. Auflage},
  isbn      = {978-3-662-63176-8},
  doi       = {10.1007/978-3-662-63177-5\_11},
  year      = {2021},
}