Chunjian Robin Liu Celina Gibbs Yvonne Coady Safe and Sound Evolution with SONAR. 163-190 2007 4 T. Aspect-Oriented Software Development http://dx.doi.org/10.1007/978-3-540-77042-8_7 journals/taosd/2007-4 db/journals/taosd/taosd4.html#LiuGC07