HATARI: raising risk awareness. - Jacek Sliwerski; Thomas Zimmermann 001; Andreas Zeller (ESEC/SIGSOFT FSE, 2005)

When do changes induce fixes? - Jacek Sliwerski; Thomas Zimmermann 001; Andreas Zeller (ACM SIGSOFT Softw. Eng. Notes, 2005)

API Changes - How FarWould You Go? - Ilie Savga; Michael Rudolf 001; Jacek Sliwerski; Jan Lehmann; Harald Wendel (CSMR, 2007)