Computer Assisted Foundations - Interactive Design Problems. - Patricia Nelson; Barbara Giorgio Booher; Loren Mork (CHI Extended Abstracts, 1997)

Working within the grid: interactive foundations design problems using grid structures. - Patricia Nelson; Barbara Giorgio Booher; Loren Mork (SIGGRAPH Visual Proceedings, 1997)

Semi-regular graphs of minimum independence number. - Patricia Nelson; A. J. Radcliffe (Discret. Math., 2004)