Metadata
https://www.swissbib.org/wiki/index.php?title=Import and https://www.swissbib.org/wiki/index.php?title=Import-criteria
https://www.swissbib.org/wiki/index.php?title=Swissbib_marc
https://www.swissbib.org/wiki/index.php?title=Matching_and_merging
(update)
Licence
https://www.swissbib.org/wiki/index.php?title=Metadata_Licence