@misc{_Esperanto_1949, copyright={© Copyright by Katolicki Uniwersytet Lubelski Jana Pawła II}, address={Praha}, howpublished={online}, year={1949}, publisher={Instituto de Esperanto-Servo}, language={esp}, title={Esperanto Servo : aktuala informa bulteno de Praha. Vol. 2, no. 5 (1949)}, }