?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Kedves&rft.aufirst=Mikl%C3%B3s&rft.au=+Kedves+Mikl%C3%B3s&rft.volume=35&rft.issn=0563-0592&rft.pages=71-80&rft.title=Acta+biologica&rft.atitle=Investigation+of+the+biopolymer+organization+of+partially+degraded+exines+with+the+fragmentation+method&rft.date=1989&rft.issue=1-4&rft.genre=article