CrossRef is an independent membership association, founded and directed by publishers. CrossRef’s mandate is to connect users to primary research content, by enabling publishers to work collectively. CrossRef is also the official DOI® link registration agency for scholarly and professional publications. Our citation-linking network today covers tens of millions of articles and other content items from thousands of scholarly and professional publishers.
The ONIX for Books Product Information Message is the
international standard for representing and communicating book
industry product information in electronic form.
ONIX for Serials is a family of XML formats for communicating
information about serial products and subscription information,
using the design principles and many of the elements defined in
ONIX for Books.