public function GetArticleAttributeValueListForAttributeNames(
        &$oArticle,
        $aAttributeNames,
        $sFieldName = 'system_name'
    ) {
        $aList = array();
        foreach ($aAttributeNames as $sAttributeName) {
            $aList[$sAttributeName] = $this->GetArticleAttributeValueForAttributeName(
                $oArticle,
                $sAttributeName,
                $sFieldName,
                false
            );
        }

        return $aList;
    }