Added ISBNs and ISSNs to the output and added the possibility to only select serials or monorgraphs.
Added ISBNs and ISSNs to the output and added the possibility to only select serials or monorgraphs.

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