@misc{SiekmannWieland2013,
  author    = {Helmut Siekmann and Volker Wieland},
  title     = {The European Central Bank's outright monetary transactions and the Federal Constitutional Court of Germany},
  booktitle = {Working paper series / Institute for Monetary and Financial Stability ; 71},
  url       = {http://www.imfs-frankfurt.de/fileadmin/user_upload/pdf/WP_71.pdf},
  institution = {Wirtschaftswissenschaften},
  series    = {Working paper series / Institute for Monetary and Financial Stability},
  number    = {71},
  type      = {workingpaper},
  pages     = {14 S.},
  year        = {2013},
}