$issn->setValue('1234-5678');
$doc->addIdentifierOpac()->setValue('OPAC-ID 001 1237890654');
// Valid Arxiv-Identifier from ArXiv.org Homepage: http://arxiv.org/help/arxiv_identifier
$arxiv = $doc->addIdentifierArxiv();
$arxiv->setValue('arXiv:0706.0001');
// Valid DOI Identifier from DOI Homepage: http://www.doi.org/
$doi = $doc->addIdentifierDoi();
$doi->setValue('10.1000/182');
// Valid Pubmed-Identifier from official Pubmed Tutorial: http://www.nlm.nih.gov/bsd/disted/pubmedtutorial/020_830.html
$pubmed = $doc->addIdentifierPubmed();
$pubmed->setValue('9382368');
$doc->setThesisDateAccepted('2003-02-01');
$dnbInstitute = new Opus_DnbInstitute();
$dnbInstitute->setName('Forschungsinstitut für Code Coverage');
foreach (Opus_DnbInstitute::getGrantors() as $grantor) {
    if ($dnbInstitute->getName() === $grantor->getName()) {
        $dnbInstitute = $grantor;
        break;
    }
}
if (is_null($dnbInstitute->getId()) === true) {
    $dnbInstitute->setCity('Mousetown')->setIsGrantor(1)->store();
}
$doc->setThesisGrantor($dnbInstitute);
$doc->setThesisPublisher($dnbInstitute);
$referee = new Opus_Person();
$referee->setFirstName('Gyro');
$referee->setLastName('Gearloose');
$referee->setAcademicTitle('Prof. Dr.');
$referee->store();
$doc->addPersonReferee($referee);
 public function testDnbInstituteFaculty()
 {
     $dnbinst = new Opus_DnbInstitute(2);
     $this->assertEquals('Universität XYZ', $dnbinst->getName());
     $this->assertEquals('Fakultät Test 1', $dnbinst->getDepartment());
     $this->assertNull($dnbinst->getAddress());
     $this->assertEquals($dnbinst->getCity(), 'Ort');
     $this->assertNull($dnbinst->getDnbContactId());
     $this->assertNull($dnbinst->getPhone());
     $this->assertEquals($dnbinst->getIsGrantor(), '1');
     $this->assertEquals($dnbinst->getIsPublisher(), '0');
 }