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| 2002 | ||
|---|---|---|
| 3 | EE | Patrik Ottoson, Hans Hauska: Ellipsoidal quadtrees for indexing of global geographical data. International Journal of Geographical Information Science 16(3): 213-226 (2002) |
| 2001 | ||
| 2 | EE | Patrik Ottoson: Compressing digital elevation models with wavelet decomposition. ScanGIS 2001: 15-31 |
| 1 | EE | Patrik Ottoson: Retrieval of geographic data using ellipsoidal quadtrees. ScanGIS 2001: 89-98 |
| 1 | Hans Hauska | [3] |