@misc{Rytelewski_Józef_Hydrological,
 author={Rytelewski, Józef and Solarski, Henryk and Korybut-Daszkiewicz, Stanisław and Mirowski, Zdzisław},
 howpublished={online},
 title={Hydrological and pedological studies in the Jorka river watershed.},
 title={Badania hydrobiologiczne i glebowe w zlewni rzeki Jorki.},
}