pRETS: a parallel reverse-engineering tool set for the adaptation of sequential programs. - Bruce Gifford; Warren Harrison (ICSM, 1990)

Exploring Dataflow Testing of Arrays. - Richard G. Hamlet; Bruce Gifford; Borislav Nikolik (ICSE, 1993)

pRETS: A parallel reverse-engineering toolset for FORTRAN. - Warren Harrison; Cynthia Gens; Bruce Gifford (J. Softw. Maintenance Res. Pract., 1993)