R. Amant, T. Horton, и F. Ritter. CHI '04: Proceedings of the SIGCHI conference on Human factors in computing systems, стр. 343-350. New York, NY, USA, ACM Press, (2004)
D. Swallow, M. Blythe, и P. Wright. EACE '05: Proceedings of the 2005 annual conference on European association of cognitive ergonomics, стр. 91-98. University of Athens, (2005)
V. Basili. ICSE '96: Proceedings of the 18th international conference on Software engineering, стр. 442--449. Washington, DC, USA, IEEE Computer Society, (1996)