removed Zotero item type limitation for 936 fields, see ubtue/DatenProbleme#123
removed Zotero item type limitation for 936 fields, see ubtue/DatenProbleme#123

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