@book{2005--icsm ,title={{Proceedings of the 21st IEEE international conference on software maintenance (ICSM'05)---volume 00, held in Budapest, Hungary, September 25--30, 2005}} ,booktitle={{Proceedings of the 21st IEEE international conference on software maintenance (ICSM'05)---volume 00, held in Budapest, Hungary, September 25--30, 2005}} ,ISBN={0--7695--2368--4} ,publisher={IEEE Computer Society} ,address={Washington} ,year={2005} }