// External PICA+
// External PICA+
case 'extpp':
$res = $pica->getPicaPlus();
final_result($res, 'application/xml');
break;
// JSON
// JSON
case 'json':
$res = $pica->getJson();
final_result($res, 'application/json');
break;
// OpenURL-KEV
// OpenURL-KEV
case 'openurl-kev':
$res = $pica->getOpenUrlKev();
final_result($res, 'text/plain');
break;
// pseudo-XML
// pseudo-XML
case 'plain':
$res = $pica->getPlain();
break;
// RDF
// RDF
case 'rdf':
$res = $pica->getDublinCoreRDF();
final_result($res, 'application/xml');
break;
// plain text
// plain text
