@article{JMLR:v17:15-206,
  author  = {Wouter M. Kouw and Laurens J.P. van der Maaten and Jesse H. Krijthe and Marco Loog},
  title   = {Feature-Level Domain Adaptation},
  journal = {Journal of Machine Learning Research},
  year    = {2016},
  volume  = {17},
  number  = {171},
  pages   = {1--32},
  url     = {http://jmlr.org/papers/v17/15-206.html}
}