“CrossRef is an association of scholarly publishers that develops shared infrastructure to support more effective scholarly communications. Our citation-linking network today covers over 65 million journal articles and other content items (books chapters, data, theses, technical reports) from thousands of scholarly and professional publishers around the globe.”

• Search CrossRef’s database of 64 million records for authors, titles, DOIs, ORCIDs, ISSNs, FundRefs, license URIs, etc. You can even paste entire references into the search box and discover their DOIs.”