perl Net-Z3950-ZOOM Net::Z3950 Net::Z3950::Connection Net::Z3950::Manager Net::Z3950::Op Net::Z3950::ZOOM ZOOM ZOOM::CCL::Error ZOOM::Connection ZOOM::Error ZOOM::Event ZOOM::Exception ZOOM::Log ZOOM::Options ZOOM::Package ZOOM::Query ZOOM::Query::CCL2RPN ZOOM::Query::CQL ZOOM::Query::CQL2RPN ZOOM::Query::PQF ZOOM::Record ZOOM::ResultSet ZOOM::ScanSet