use Modern::Perl;
use HTML::Entities;
-use C4::Auth;
+use C4::Auth qw( get_template_and_user );
use C4::Context;
-use C4::Output;
+use C4::Output qw( output_html_with_http_headers );
use CGI qw ( -utf8 );
-use C4::Koha;
-use C4::Biblio;
-use C4::Items;
-use C4::Serials; # CountSubscriptionFromBiblionumber
-use C4::Search; # enabled_staff_search_views
+use C4::Biblio qw( GetBiblioData GetFrameworkCode GetISBDView GetMarcBiblio );
+use C4::Serials qw( CountSubscriptionFromBiblionumber GetSubscription GetSubscriptionsFromBiblionumber );
+use C4::Search qw( z3950_search_args enabled_staff_search_views );
use Koha::Biblios;
use Koha::Patrons;