@InProceedings{	  nagra02functional,
  author =	 {Jasvir Nagra and Clark Thomborson and Christian
                  Collberg},
  title =	 {A Functional Taxonomy for Software Watermarking},
  editor =	 {Michael J. Oudshoorn},
  booktitle =	 {Twenty-Fifth Australasian Computer Science
                  Conference (ACSC2002)},
  year =	 2002,
  address =	 {Melbourne, Australia},
  publisher =	 {ACS},
  url =	 {http://citeseer.nj.nec.com/508809.html},
  section = {SOFTWARE-WATERMARKING}
}