Bridging Program Comprehension Tools by Design Navigation by Sébastien Robitaille, Reinhard Schauer, Rudolf K. Keller

TraceGraph: Immediate Visual Location of Software Features by Kazimiras Lukoit, Norman Wilde, Scott Stowell, Tim Hennessey

Information Retrieval Models for Recovering Traceability Links Between Code and Documentation by G. Antoniol, G. Canfora, G. Casazza, A. DeLucia