Cite
HARVARD Citation
Freksa, C. et al. (2018). Formal representation of qualitative direction. International journal of geographical information science. 32 (12), pp. 2514-2534. [Online].
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Freksa, C. et al. (2018). Formal representation of qualitative direction. International journal of geographical information science. 32 (12), pp. 2514-2534. [Online].