changed <datafield tag="773" ind1=" " ind2=" "> into <datafield tag="909" ind1="C" ind2="4"> for citation information
changed <datafield tag="773" ind1=" " ind2=" "> into <datafield tag="909" ind1="C" ind2="4">
for citation information

inveniosoftware/invenio,tiborsimko/invenio,inveniosoftware/invenio,tiborsimko/invenio