* @throws ProcessingException if the search for references failed.
*/
public Document[] getReferences(String area) throws ProcessingException {
try {
PublicationHelper pubHelper = new PublicationHelper(this.publication);
DocumentBuilder builder = publication.getDocumentBuilder();
Document[] documents = pubHelper.getAllDocuments(area);
ArrayList targetDocuments = new ArrayList();
for (int docIndex = 0; docIndex < documents.length; docIndex++) {
String[] links = getInternalLinks(documents[docIndex].getFile());