1991 | ||
---|---|---|
2 | EE | Renato Barrera, Andrew U. Frank, Khaled K. Al-Taha: Temporal Relations in Geographic Information Systems: A Workshop at the University of Maine. SIGMOD Record 20(3): 85-91 (1991) |
1989 | ||
1 | EE | Andrew U. Frank, Renato Barrera: The Fieldtree: A Data Structure for Geographic Information Systems. SSD 1989: 29-44 |
1 | Khaled K. Al-Taha | [2] |
2 | Andrew U. Frank | [1] [2] |