Upgrade StorageAuthor is imported two times
I imported this book
https://global.oup.com/academic/product/the-intellectual-and-social-organization-of-the-sciences-9780199240456?cc=it&lang=en&;
and the author is imported two times:
https://s3.amazonaws.com/zotero.org/images/forums/u6999667/t0jq0klr7cy8946liyxv.png
https://global.oup.com/academic/product/the-intellectual-and-social-organization-of-the-sciences-9780199240456?cc=it&lang=en&;
and the author is imported two times:
https://s3.amazonaws.com/zotero.org/images/forums/u6999667/t0jq0klr7cy8946liyxv.png
