Barrier dynamics for GIS: a design pattern for geospatial barriers

@article{White2015BarrierDF,
  title={Barrier dynamics for GIS: a design pattern for geospatial barriers},
  author={Emily White and Kathleen Stewart},
  journal={International Journal of Geographical Information Science},
  year={2015},
  volume={29},
  pages={1007-1022}
}