my $print_issn = $ref->{JrXml}{Serial}{ISSN}[0]{IssnType} eq 'Print' ? 0 : 1;
my @journal_entry =
(title => $ref->{JrXml}{Serial}{Title},
my $print_issn = $ref->{JrXml}{Serial}{ISSN}[0]{IssnType} eq 'Print' ? 0 : 1;
my @journal_entry =
(title => $ref->{JrXml}{Serial}{Title},