Code quality analysis in open source software development. - Ioannis Stamelos; Lefteris Angelis; Apostolos Oikonomou; Georgios L. Bleris (Inf. Syst. J., 2002)

Open source software development should strive for even greater code maintainability. - Ioannis Samoladas; Ioannis Stamelos; Lefteris Angelis; Apostolos Oikonomou (Commun. ACM, 2004)