Zetoc is a bibliographic current awareness service that provides discovery of relevant literature within the British Library's Electronic Table of Contents of journal articles and conference papers. A researcher having discovered an article of interest will wish to read it, preferring to locate an electronic copy of an article to be delivered directly to their desktop. However, until now, Zetoc was essentially the British Library's document delivery catalogue, containing details of journals that are published traditionally. The lack of open access articles in Zetoc, because there would be no reason to order and pay for copies of these articles, implied a deficiency in