Javier Cámara Alfred Kobsa Facilitating Controlled Tests of Website Design Changes Using Aspect-Oriented Software Development and Software Product Lines. 116-135 2009 1 T. Large-Scale Data- and Knowledge-Centered Systems http://dx.doi.org/10.1007/978-3-642-03722-1_5 journals/tlsdkcs/2009-1 db/journals/tlsdkcs/tlsdkcs1.html#CamaraK09