/**
  * @param Data\Article $p_oBaseArticle
  *
  * @return Article[]
  */
 protected function fetchArticles(Article $p_oBaseArticle)
 {
     $aArticles = array($p_oBaseArticle->getArticleLanguage() => $p_oBaseArticle);
     $aArticleUrls = $p_oBaseArticle->getArticleUrls();
     foreach ($aArticleUrls as $t_sUrl) {
         $oArticle = $this->createArticleFromUrl($t_sUrl);
         $aArticles[$oArticle->getArticleLanguage()] = $oArticle;
     }
     return $aArticles;
 }