?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Lajos&rft.aulast=Gracza&rft.au=+Gracza+Lajos&rft.pages=9-12&rft.issn=0563-0592&rft.date=1958&rft.title=Acta+biologica&rft.volume=4&rft.atitle=Paperchromatographic+examination+of+germination-+and+growth-inhibiting+substances+found+in+the+dry+fruits+of+the+Gleditsia&rft.genre=article