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"The establishment and application of the geographic mapping database by ..."
Liu Yue et al. (1991)
- Liu Yue, Liang Zhang, Xiaogang Chen, Yingming Zhou:
The establishment and application of the geographic mapping database by city/county unit in China. Int. J. Geogr. Inf. Sci. 5(1): 73-84 (1991)

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