@misc{Drozd-Piasecka_Mirosława_(opening_2011,
 author={Drozd-Piasecka, Mirosława},
 number={4 (153)},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa},
 journal={Wieś i Rolnictwo},
 howpublished={online},
 year={2011},
 publisher={Instytut Rozwoju Wsi i Rolnictwa Polskiej Akademii Nauk},
 language={pl},
 title={(opening address) The 40th anniversary of the Institute of Rural and Agricultural Development of the Polish Academy of Science},
 type={Text},
 URL={http://rcin.org.pl./Content/242097/wir_2011_4_153_009_011.pdf},
}