Uwe Krohn Cornelia Boldyreff Application of cluster algorithms for batching of proposed software changes. 151-165 1999 11 Journal of Software Maintenance 3 http://dx.doi.org/10.1002/(SICI)1096-908X(199905/06)11:3<151::AID-SMR189>3.0.CO;2-G db/journals/smr/smr11.html#KrohnB99