ZoteroHarvesterConversion.cc: If "publicationTitle" is missing, use "websiteTitle" as fallback.
ZoteroHarvesterConversion.cc: If "publicationTitle" is missing, use "websiteTitle" as fallback.

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