PACE Solver Description: GraPA-JAVA. - Moritz Bergenthal; Jona Dirks; Thorben Freese; Jakob Gahde; Enna Gerhard; Mario Grobler; Sebastian Siebertz (IPEC, 2022)

The problem of packing modification-disjoint P3 - an overview and an improved heuristic approach. - Jona Dirks; Enna Gerhard (SKILL, 2022)

Data reduction for directed feedback vertex set on graphs without long induced cycles. - Jona Dirks; Enna Gerhard; Mario Grobler; Amer E. Mouawad; Sebastian Siebertz (Acta Informatica, 2025)