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If you do print the manual, the PDF version is the way to go – just be sure to re-print the manual with every version change or couple of years (which is about how often new versions are issued). A version change includes new composites and elements as well as existing composites and elements may be deprecated. The ONIX for Books standard is not static. How do you track version and code list updates? BookNet's e-News eNews will warn you or join the ONIX Implementation Group
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