Send an email to firstname.lastname@example.org with a one or two sentence description of your site and the exact URL of back link. We'll review your site as soon as possible, and if we feel that your site provides good complimentary content, we will reciprocate the link. It must be equal PR link exchange.
Our link code:
<br><a href="http://www.intellexer.com/">Intellexer Document Summarization Software</a> - Development of Semantic tools for information retrieval and knowledge management.<br>