@misc{Szemberg_Anna_Rolnictwo,
 author={Szemberg, Anna},
 howpublished={online},
 title={Rolnictwo chłopskie w świetle wyników spisu rolnego 1994. Cz.1. Cz.2.},
 title={Peasant farming in the lights of agricultural census of 1994. Part 1. Part 2.},
}