@InProceedings{	  collberg02watermarking,
  author =	 {Christian S. Collberg and Clark Thomborson},
  title =	 {Watermarking, Tamper-Proofing, and Obfuscation -
                  Tools for Software Protection},
  booktitle =	 {{IEEE} Transactions on Software Engineering},
  year =	 2002,
  volume =	 28,
  pages =	 {735--746},
  month =	 {aug},
  url =
                  {http://citeseer.nj.nec.com/collberg02watermarking.html},
  section = {SOFTWARE-WATERMARKING}
}