@misc{Jankowski_Wojciech_S._Techniczne_1993,
 author={Jankowski, Wojciech S.},
 editor={Polish Academy of Sciences. Committee for Nature Conservation},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 howpublished={online},
 year={1993},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 title={Techniczne sposoby wzbogacania wartości przyrodniczej rzek i ich dolin},
 title={Technical methods of enhancing the natural values of rivers and their valleys},
 type={Text},
 URL={http://rcin.org.pl/Content/117125/PDF/KR038_134944_r1993_OchrPiS-Jankowski-155-166.pdf},
 keywords={river valleys},
}