Giuliano Antoniol Umberto Villano Massimiliano Di Penta Gerardo Casazza Ettore Merlo Identifying Clones in the Linux Kernel. 92-99 2001 conf/scam/2001 SCAM http://csdl.computer.org/comp/proceedings/scam/2001/1387/00/13870092abs.htm db/conf/scam/scam2001.html#AntoniolVDCM01