zotaut: Use Zotero URL field with priority over param URL field (for book-keeping), see ubtue/DatenProbleme#1318 and others
zotaut: Use Zotero URL field with priority over param URL field (for book-keeping), see ubtue/DatenProbleme#1318 and others

ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools