@Article{limberger2016-multi-frame,
  author    = {Limberger, Daniel and Tausche, Karsten and Linke, Johannes and D{\"o}llner, J{\"u}rgen},
  title     = {Progressive Rendering using Multi-frame Sampling},
  journal   = {GPU Pro 7: Advanced Rendering Techniques},
  year      = {2016},
  publisher = {CRC Press},
  pages     = {155--173},
  doi       = {10.1201/b21261},
  isbn      = {978-0-429160-03-5},
}