| |
| 1995 | ||
|---|---|---|
| 2 | Peter van Oosterom, Vincent Schenkelaars: The Development of an Interactive Multi-Scale GIS. International Journal of Geographical Information Systems 9(5): 489-507 (1995) | |
| 1994 | ||
| 1 | Vincent Schenkelaars: Query Classification, a first step towards a Graphical Interaction Language. AGDM 1994: 53- | |
| 1 | Peter van Oosterom | [2] |