CrossRef was established in 2000 as an independent,
non-profit membership association, with a mandate to make cross-publisher
linking throughout online scholarly literature efficient and reliable.
CrossRef harnesses collaboration among publishers to provide the
scholarly community with easier access to online research content.
CrossRef currently spans 252 publishers with 9.3 million content
items registered in the CrossRef system. The number of DOI resolutions
per monthinstances of scholars and researchers clicking
on linksreached three million in April 2003, triple the
figure from a year earlier. A large number of global organisations
associated with scholarly communication are also members or affiliates
of CrossRef, including over 100 libraries.