@misc{Siekmann2015,
  author    = {Helmut Siekmann},
  title     = {The legal framework for the european system of central banks},
  booktitle = {Working paper series / Institute for Monetary and Financial Stability ; 89},
  institution = {Wirtschaftswissenschaften},
  series    = {Working paper series / Institute for Monetary and Financial Stability},
  number    = {89},
  type      = {workingpaper},
  pages     = {59},
  year        = {2015},
}