@inproceedings{Hirche2004Hardware,
  title = {Hardware Accelerated Per-Pixel Displacement Mapping},
  author = {Hirche, Johannes and Ehlert, Alexander and Guthe, Stefan and Stra{\ss}er, Wolfgang},
  booktitle = {Proc. Graphics Interface ({GI})},
  month = {May},
  year = {2004}
}