Fixing Some Space Leaks without a Garbage Collector. - Jan Sparud (FPCA, 1993)

The Architecture of a Debugger for Lazy Functional Languages. - Jan Sparud; Henrik Nilsson (AADEBUG, 1995)

Complete and Partial Redex Trails of Functional Computations. - Jan Sparud; Colin Runciman (Implementation of Functional Languages, 1997)

Tracing Lazy Functional Computations Using Redex Trails. - Jan Sparud; Colin Runciman (PLILP, 1997)

The Evaluation Dependence Tree as a Basis for Lazy Functional Debugging. - Henrik Nilsson; Jan Sparud (Autom. Softw. Eng., 1997)