1. Ahn, J. Y. (2013). Visualizing statistical information using Korean linked micromap plots. In: S. H. Cho (Ed.), Proceedings of IASC–Satellite Conference for the 59th ISI WSC & The 8th Conference of IASC–ARS, Asian Regional Section of the IASC (pp. 219–221). http://hbutton.com/IASC/iascproceedings/proceeding_pdf/Proceedings.pdf .
2. Ahn, J. Y., & Park, S. J. (2013). Map overlays based on Google maps and R. In: S. H. Cho (Ed.), Proceedings of IASC–Satellite Conference for the 59th ISI WSC & The 8th Conference of IASC–ARS, Asian Regional Section of the IASC (pp. 222–224). http://hbutton.com/IASC/iascproceedings/proceeding_pdf/Proceedings.pdf .
3. Andrienko, G. L., & Andrienko, N. V. (1999). Interactive maps for visual data exploration. International Journal of Geographical Information Science, 13(4), 355–374.
4. Andrienko, N., Andrienko, G., Savinov, A., Voss, H., & Wettschereck, D. (2001). Exploratory analysis of spatial data using interactive maps and data mining. Cartography and Geographic Information Science, 28(3), 151–165.
5. Anselin, L. (1994). Exploratory spatial data analysis and geographic information systems. In: M. Painho (Ed.), New tools for spatial analysis, Eurostat, Luxembourg (pp. 45–54).