/**
  * @see lib/pkp/plugins/oaiMetadataFormats/dc/PKPOAIMetadataFormat_DC::toXml()
  */
 function toXml(&$record, $format = null)
 {
     $article =& $record->getData('article');
     return parent::toXml($article, $format);
 }
 /**
  * @see lib/pkp/plugins/oaiMetadataFormats/dc/PKPOAIMetadataFormat_DC::toXml()
  */
 function toXml(&$record, $format = null)
 {
     $publicationFormat =& $record->getData('publicationFormat');
     return parent::toXml($publicationFormat, $format);
 }