1. Scalable Vector Graphics (SVG), http://www.w3.org/Graphics/SVG/
2. W3C (World Wide Web Consortium), http://www.w3c.org
3. SVG factory, http://www.svgfactory.com
4. DocUtiliy, http://k-tai.sharp.co.jp/download/tools/program/DocUtility.zip
5. Battiato, S., Costanzo, A.: SVG Rendering by Watershed Decomposition, SPIE (2005)