Andrea Capiluppi Juan Fernández-Ramil J. Higman Helen C. Sharp Neil Smith An Empirical Study of the Evolution of an Agile-Developed Software System. 511-518 2007 conf/icse/2007 ICSE http://doi.ieeecomputersociety.org/10.1109/ICSE.2007.14 db/conf/icse/icse2007.html#CapiluppiFHSS07