A Powerful Hig-Level Debugger for Parallel Programs. - Chris Caerts; Rudy Lauwereins; J. A. Peperstraete (ACPC, 1991)

PDG: a process-level debugger for concurrent programs in the GRAPE rapid prototyping environment. - Chris Caerts; Rudy Lauwereins; Jean A. Peperstraete (RSP, 1993)

PDG: A Portable Process-Level Debugger for CSP-Style Parallel Programs. - Chris Caerts; Rudy Lauwereins; J. A. Peperstraete (HICSS (2), 1994)

PDG: A process-level debugger for concurrent programs in the GRAPE parallel programming environment. - Chris Caerts; Rudy Lauwereins; Jean A. Peperstraete (Future Gener. Comput. Syst., 1995)