M. AlSharif, W. Bond, и T. Al-Otaiby. ACM-SE 42: Proceedings of the 42nd annual Southeast regional conference, стр. 98--103. New York, NY, USA, ACM, (2004)
R. Kazman, и M. Burth. CSMR '98: Proceedings of the 2nd Euromicro Conference on Software Maintenance and Reengineering ( CSMR'98), стр. 104. Washington, DC, USA, IEEE Computer Society, (1998)