M. Mezini, and K. Ostermann. SIGSOFT '04/FSE-12: Proceedings of the 12th ACM SIGSOFT twelfth international symposium on Foundations of software engineering, page 127--136. New York, NY, USA, ACM, (2004)
H. Ossher, and P. Tarr. ICSE '01: Proceedings of the 23rd International Conference on Software Engineering, page 821--822. Washington, DC, USA, IEEE Computer Society, (2001)