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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: Spat Spatiotemporal Epidemiol. 2014 Apr 26;11:135–141. doi: 10.1016/j.sste.2014.04.002

Fig. 4.

Fig. 4

Map of the south European region of the Russian Federation. Superimposed is a raster map of the functional distance surface, computed using an index case at geographical coordinates of 56.91°N and 40.97°E.