Eric Ward's Building Links articles at ClickZ, a website column you can also get delivered biweekly by email. Not a bad couple of references. Eric's column covers various aspects of link building, including those you might otherwise have ignored or failed to think about. If you want detailed, authoritative advice on how to get the best out of links for your website, then sign up. Alternatively, every previous article is available online in the column archives - so you can go judge for yourself.
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