Modeling geospatial barriers. - Emily White; Kathleen Stewart (GIS-SSO, 2011)

Thinking about Space-Time Connections: Spatiotemporal Scheduling of Individual Activities. - Kathleen Stewart; Junchuan Fan; Emily White (Trans. GIS, 2013)

Barrier dynamics for GIS: a design pattern for geospatial barriers. - Emily White; Kathleen Stewart (Int. J. Geogr. Inf. Sci., 2015)