?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Amigues&rft.aufirst=Jean-Pierre&rft.issue=n%C2%B03&rft.volume=114&rft.date=May+2004&rft.issn=2105-2883&rft.atitle=Ressources+non+renouvelables%2C+impatience+et+effort+optimal+de+recherche-d%C3%A9veloppement&rft.title=Revue+d'%C3%89conomie+Politique&rft.pages=393-416&rft.genre=article