?url_ver=Z39.88-2004&rft_id=1144612&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=P%C3%A1link%C3%B3&rft.aufirst=Istv%C3%A1n&rft.au=+P%C3%A1link%C3%B3+Istv%C3%A1n&rft.volume=7&rft.atitle=Ring-transformation+reactions+of+small+saturated+heterocyclic+ring+compounds+over+porous+materials&rft.date=2008&rft.pages=99-107&rft.title=Current+Tipocs+in+Catalysis&rft.genre=article