@misc{_Esperanto_1951,
 copyright={© Copyright by Katolicki Uniwersytet Lubelski Jana Pawła II},
 address={Praha},
 howpublished={online},
 year={1951},
 publisher={Instituto de Esperanto-Servo},
 language={esp},
 title={Esperanto Servo : aktuala informa bulteno de Praha. Vol. 4, no. 2/3 (1951)},
}