public function &GetReviewsPublished()
    {
        $oReviews = $this->GetFromInternalCache('oPublishedReviews');
        if (is_null($oReviews)) {
            $oReviews = &TdbShopArticleReviewList::GetPublishedReviews($this->id, $this->iLanguageId);
            $this->SetInternalCache('oPublishedReviews', $oReviews);
        }

        return $oReviews;
    }