?url_ver=Z39.88-2004&rft_id=MTMT%3A1672687+10.1007%2FBF02652763&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=+Karsai+J%C3%A1nos&rft.aufirst=J%C3%A1nos&rft.aulast=Karsai&rft.atitle=Visualization+and+Art+in+the+Mathematics+Classroom&rft.date=2003&rft.title=ZENTRALBLATT+F%C3%9CR+DIDAKTIK+DER+MATHEMATIK&rft.issn=0044-4103%3B+1615-679X&rft.volume=35&rft.issue=1&rft.pages=24-29&rft.genre=article