S. Flake. CRPIT '04: Proceedings of the 27th conference on Australasian computer science, page 73--82. Darlinghurst, Australia, Australia, Australian Computer Society, Inc., (2004)
A. Baroni. ESEC/FSE-13: Proceedings of the 10th European software engineering conference held jointly with 13th ACM SIGSOFT international symposium on Foundations of software engineering, 30, page 366--369. New York, NY, USA, ACM Press, (September 2005)