Cory Kapser Paul Anderson Michael W. Godfrey Rainer Koschke Matthias Rieger Filip Van Rysselberghe Peter Weißgerber Subjectivity in Clone Judgment: Can We Ever Agree?. 2006 Duplication, Redundancy, and Similarity in Software http://drops.dagstuhl.de/opus/volltexte/2007/970 conf/dagstuhl/2006P6301 db/conf/dagstuhl/P6301.html#KapserAGKRRW06