public function findSosa($n, $p, $oc)
{
$rp = new \geneweb\api\object\ReferencePerson();
$rp->setN((string) $n);
$rp->setP((string) $p);
$rp->setOc((int) $oc);
return $this->request("FIND_SOSA", $rp, $this->getClassname('ReferencePerson'));
}