?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=J%C3%B3zsef&rft.aulast=Apjok&rft.au=+Apjok+J%C3%B3zsef&rft.atitle=Himi%C3%A2+1%2C3-bifunkcional'nyh+sistem+%3A+8.+%3A+Kataliti%C4%8Deskie+prevra%C5%9Deni%C3%A2+4-zame%C5%9Dennyh+1%2C3-dioksanov+%3A+Cikli%C4%8Deskie+formaly&rft.date=1969&rft.issn=0001-6721&rft.title=Acta+physica+et+chemica&rft.issue=3-4&rft.volume=15&rft.pages=141-145&rft.genre=article