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| 2008 | ||
|---|---|---|
| 1 | EE | Changxiu Cheng, Fangqu Niu, Jun Cai, Yanlu Zhu: Extensions of GAP-tree and its implementation based on a non-topological data model. International Journal of Geographical Information Science 22(6): 657-673 (2008) |
| 1 | Jun Cai | [1] |
| 2 | Changxiu Cheng | [1] |
| 3 | Fangqu Niu | [1] |