@misc{Siekmann2016,
  author    = {Helmut Siekmann},
  title     = {Restricting the use of cash in the European Monetary Union : legal aspects},
  booktitle = {Working paper series / Institute for Monetary and Financial Stability ; 108},
  url       = {http://www.imfs-frankfurt.de/fileadmin/user_upload/IMFS_WP/IMFS_WP_108.pdf},
  institution = {Wirtschaftswissenschaften},
  series    = {Working paper series / Institute for Monetary and Financial Stability},
  number    = {108},
  type      = {workingpaper},
  pages     = {29},
  year        = {2016},
}