No steiner point subdivision simplification is NP-complete. - Regina Estkowski (CCCG, 1998)

Simplifying a polygonal subdivision while keeping it simple. - Regina Estkowski; Joseph S. B. Mitchell (SCG, 2001)

Pheromone Robotic. - David W. Payton; Mike Daily; Regina Estkowski; Mike Howard; Craig Lee (Auton. Robots, 2001)

Optimal decomposition of polygonal models into triangle strips. - Regina Estkowski; Joseph S. B. Mitchell; Xinyu Xiang (SCG, 2002)

Minimal Set of Constraints for 2D Constrained Delaunay Reconstruction. - Olivier Devillers; Regina Estkowski; Pierre-Marie Gandoin; Ferran Hurtado; Pedro A. Ramos; Vera Sacristán (Int. J. Comput. Geom. Appl., 2003)

Compound behaviors in pheromone robotics. - David W. Payton; Regina Estkowski; Mike Howard (Robotics Auton. Syst., 2003)

Pheromone Robotics and the Logic of Virtual Pheromones. - David W. Payton; Regina Estkowski; Mike Howard (Swarm Robotics, 2004)