Rainer Koschke Elmar Jürgens Juergen Rilling Proceeding of the 7th International Workshop on Software Clones, IWSC 2013, San Francisco, CA, USA, May 19, 2013 IEEE Computer Society 2013 978-1-4673-6445-4 https://ieeexplore.ieee.org/xpl/conhome/6596158/proceeding https://www.computer.org/csdl/proceedings/iwsc/2013/6445/00/index.html http://dl.acm.org/citation.cfm?id=2662708 IWSC db/conf/iwsc/iwsc2013.html