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Recommended Reading
- Dent, B. D., 1999. Cartography - Thematic Map Design. WCB McGraw-Hill.
Especially Chap. 16 and 17. - ESRI. ESRI Tutorials on Geostat Center: Reference Recources [online]. Available from: http://fisher.lib.virginia.edu/reference/help/esri/.
- Kipphan, H. , 2001. Handbook of Print Media. Springer.
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