28. 참고 문헌 및 웹사이트

GDAL-SOFTWARE-SUITE. Geospatial data abstraction library. https://gdal.org, 2013.

GRASS-PROJECT. Geographic resource analysis support system. https://grass.osgeo.org, 2013.

Neteler, M., and Mitasova, H. (2008). Open Source GIS: A GRASS GIS Approach.

OGR-SOFTWARE-SUITE. Geospatial data abstraction library. https://gdal.org, 2013.

OPEN-GEOSPATIAL-CONSORTIUM. Web map service (1.1.1) implementation specification. https://portal.opengeospatial.org, 2002.

OPEN-GEOSPATIAL-CONSORTIUM. Web map service (1.3.0) implementation specification. https://portal.opengeospatial.org, 2004.

POSTGIS-PROJECT. Spatial support for postgresql. http://postgis.refractions.net/, 2013.