| 2008 | ||
|---|---|---|
| 2 | Markus Wuersch, Max J. Egenhofer: Perceptual Sketch Interpretation. SDH 2008: 19-38 | |
| 2005 | ||
| 1 | Markus Wuersch, David Caduff: Refined Route Instructions Using Topological Stages of Closeness. W2GIS 2005: 31-41 | |
| 1 | David Caduff | [1] |
| 2 | Max J. Egenhofer | [2] |