Right, but the blog post does give a second reference. I prefer giving the Arxiv abstract list, which always links to the current version of the PDF. http://a

Right, but the blog post does give a second reference. I prefer giving the Arxiv abstract list, which always links to the current version of the PDF. http://arxiv.org/abs/1103.4282 http://arxiv.org/abs/1103.4282