@misc{Borek_Łukasz_Assessment_2016,
 author={Borek, Łukasz},
 number={No 30},
 howpublished={online},
 year={2016},
 publisher={Polish Academy of Sciences Committee on Agronomic Sciences Section of Land Reclamation and Environmental Engineering in Agriculture; Institute of Technology and Life Sciences},
 title={Assessment and classification of hydromorphological state of the Breń River},
}