@TECHREPORT{Steininger2009,
  author = {Philipp Steininger and Markus Neuner and Rainer Schubert},
  title = {An extended ITK-based Framework for Intensity-based 2D/3D-Registration},
  institution = {Institute for Biomedical Image Analysis (IBIA), University for Health Sciences, Medical Informatics and Technology (UMIT), Hall in Tyrol, Austria; Institute for Research and Development on Advanced Radiation Technologies (radART), Paracelsus Medical University (PMU), Salzburg, Austria},
  year = {2009},
  month = {Dec},
  url = {http://ibia.umit.at/ResearchGroup/Phil/web/Simple2D3DRegistrationFramework.html}
}