my $record = shift;
- my ($biblionumber_field, $biblionumber_subfield) = GetMarcFromKohaField("biblio.biblionumber", '');
+ my ($biblionumber_field, $biblionumber_subfield) = GetMarcFromKohaField( "biblio.biblionumber" );
my $biblionumber = ( $biblionumber_field > 9 )
? $record->field($biblionumber_field)->subfield($biblionumber_subfield)
: $record->field($biblionumber_field)->data();