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Worboys, Michael (2019) Qualitative geometric spatial relations between disjoint regions. [Working Paper] (Submitted)

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Yang, Liping and Worboys, Michael (2015) Generation of navigation graphs for indoor space. International Journal of Geographical Information Science, 29 (10). pp. 1737-1756. ISSN 1365-8816 (Print), 1365-8824 (Online) (doi:10.1080/13658816.2015.1041141)