Publications of Robert Firth sorted by first author
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| , , and , This is the Tricky Part: When Directions Become Difficult (2010), in: Journal of Spatial Information Science, 1:1(53-73) |
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| , , and , This is the Tricky Part: When Directions Become Difficult (2010), in: Journal of Spatial Information Science, 1:1(53-73) |
[URL] |