?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Marcos+Mart%C3%ADn%2C+Francisco&rft.aulast=Marcos+Mart%C3%ADn&rft.aufirst=Francisco&rft.atitle=Biodiesel+de+Algas&rft.title=Energ%C3%A9tica+XXI&rft.issue=74&rft.date=November+2008&rft.issn=1577-7855&rft.pages=100-104&rft.genre=article