@conference {HBS09,
	title = {Code Clones: Good, Bad, or Ugly?},
	booktitle = {11th Symposium on Programming Languages and Software Tools SPLST{\textquoteright}09},
	year = {2009},
	pages = {31-44},
	author = {M. Harsu and Tibor Bakota and Istv{\'a}n Siket and K. Koskimies and T. Systa}
}
