Robert J. Walker Gail C. Murphy Bjørn N. Freeman-Benson Darin Wright Darin Swanson Jeremy Isaak Visualizing Dynamic Software System Information Through High-Level Models. 271-283 1998 OOPSLA http://doi.acm.org/10.1145/286936.286966 db/conf/oopsla/oopsla98.html#WalkerMFWSI98