public function get_form($prefix_url = "", $flag = "", $action = "save")
 {
     $form = parent::get_form($prefix_url, $flag, $action);
     if ($flag != "concept_selector_form") {
         $aut_link = new aut_link(AUT_TABLE_CONCEPT, onto_common_uri::get_id($this->get_uri()));
         $form = str_replace('<!-- aut_link -->', $aut_link->get_form(onto_common_uri::get_name_from_uri($this->get_uri(), $this->onto_class->pmb_name)), $form);
     } else {
         $form = str_replace('<!-- aut_link -->', "", $form);
     }
     return $form;
 }