@unpublished{BantleonSiebert,
  author    = {Bantleon, Ulrich and Siebert, Jens},
  title     = {Zweiterwerb von Inhaberschuldverschreibungen {\"u}ber pari durch Kreditinstitute},
  series = {Der Betrieb},
  volume    = {70.2017},
  number    = {41},
  issn      = {0005-9935},
  pages     = {2365 -- 2371},
  language  = {de}
}