The two primary resources that any ONIX implementer should use are:
Joint BISG / BNC Best Practices for Product Metadata
ONIX for Books: Implementation and Best Practice Guide available as an HTML5 document from www.editeur.org
BNC ONIX FAQ
The purpose of this page is organize some explanations that have been prepared in answer to specific questions. As such it makes no attempt to be systematic but the FAQ question will try to include keywords to the contents of the answer.
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