?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.issue=26&rft.pages=13&rft.title=D%C3%A9lmagyarorsz%C3%A1g&rft.volume=99&rft.atitle=Fizika+napja+%5BR%C3%B6v.+h%C3%ADr.%5D&rft.date=2009.+janu%C3%A1r+31.&rft.genre=article