Walter Cazzola Shigeru Chiba Gunter Saake Guest Editors' Introduction: Aspects and Software Evolution. 114-116 2007 4 T. Aspect-Oriented Software Development http://dx.doi.org/10.1007/978-3-540-77042-8_4 journals/taosd/2007-4 db/journals/taosd/taosd4.html#CazzolaCS07