@phdthesis{Kesper,
  type      = {Bachelor Thesis},
  author    = {Alena Viktoria Kesper},
  title     = {Entwicklung und Zukunftschancen der Randsportart Ringtennis in Deutschland},
  url       = {https://nbn-resolving.org/urn:nbn:de:bsz:mit1-opus-10831},
  abstract  = {nicht vorhanden},
  language  = {de}
}