Bert Bos. <a href="http://www.w3.org/TR/1998/NOTE-CSS-potential-19981210"><cite>List of suggested extensions to CSS.</cite></a> 10 December 1998. W3C Note. URL: <a href="http://www.w3.org/TR/1998/NOTE-CSS-potential-19981210">http://www.w3.org/TR/1998/NOTE-CSS-potential-19981210</a>