@ARTICLE{WillsSLN:2013,
  author = {Wills, A. and Sch\"on, T. B. and Ljung, L. and Ninness, B.},
  title = {Identification of {H}ammerstein-{W}iener Models},
  journal = {Automatica},
  year = {2013},
  volume = {49},
  pages = {70--81},
  number = {1}
}