The contour problem for restricted-orientation polygons. - Diane L. Souvaine; Iliana Bjorling-Sachs (Proc. IEEE, 1992)

An Efficient Algorithm for Guard Placement in Polygons with Holes. - Iliana Bjorling-Sachs; Diane L. Souvaine (Discret. Comput. Geom., 1995)

Edge guards in rectilinear polygons. - Iliana Bjorling-Sachs (Comput. Geom., 1998)