X. Zhang, Y. Qu, C. Giles, и P. Song. CHI '08: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, стр. 677--680. New York, NY, USA, ACM, (2008)
R. Holmes, и R. Walker. MSR '08: Proceedings of the 2008 international workshop on Mining software repositories, стр. 149--152. New York, NY, USA, ACM, (2008)
T. Omori, и K. Maruyama. MSR '08: Proceedings of the 2008 international workshop on Mining software repositories, стр. 31--34. New York, NY, USA, ACM, (мая 2008)