Raimund Moser Marco Scotto Alberto Sillitti Giancarlo Succi Does XP Deliver Quality and Maintainable Code? 105-114 2007 conf/xpu/2007 XP http://dx.doi.org/10.1007/978-3-540-73101-6_15 db/conf/xpu/xp2007.html#MoserSSS07