?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Ferenc&rft.aulast=Nov%C3%A1k&rft.au=+Nov%C3%A1k+Ferenc&rft.btitle=A+kolozsv%C3%A1ri+k%C3%B6z%C3%A9piskolai+tanul%C3%B3k+j%C3%A1t%C3%A9ka+a+statisztika+t%C3%BCkr%C3%A9ben&rft.date=1942&rft.genre=book