Empty ISSN keys sometimes produced
osma opened this issue · 0 comments
osma commented
A work key "issn:"
is produced e.g. for this record:
000254001 4901 L $$aPoliisiosaston julkaisu / Sisäasiainministeriö,$$x;$$v7/2001
000254001 830 0 L $$aPoliisiosaston julkaisu / Sisäasiainministeriö,$$x;$$v7/2001.
The problem is the empty $x
subfield, but we could detect and avoid these.