?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=V%C3%ADgh&rft.au=+V%C3%ADgh+Tibor&rft.aufirst=Tibor&rft.date=2013&rft.title=Assessment+of+English+and+German+vocabulary+of+6th+graders&rft.genre=proceeding