Dean Jackson; &#34276;&#27810; &#28147;; Jon Ferraiolo. <a href="http://www.w3.org/TR/2003/REC-SVG11-20030114"><cite>Scalable Vector Graphics (SVG) 1.1 Specification.</cite></a> 14 January 2003. W3C Recommendation. URL: <a href="http://www.w3.org/TR/2003/REC-SVG11-20030114">http://www.w3.org/TR/2003/REC-SVG11-20030114</a>