http://www.cairn.info/article.php?ID_REVUE=DN&ID_NUMPUBLIE=DN_063&ID_ARTICLE=DN_063_0155
A agerzam Administrator Mar 15, 2007 #1 http://www.cairn.info/article.php?ID_REVUE=DN&ID_NUMPUBLIE=DN_063&ID_ARTICLE=DN_063_0155
