@misc{Pierzgalski_Edward_Regulacja_1993,
 author={Pierzgalski, Edward},
 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={Regulacja stosunków wodnych w dolinach małych rzek nizinnych},
 title={Regulations of the water conditions in small river valleys},
 type={Text},
 URL={http://www.rcin.org.pl/Content/117124/PDF/KR038_134907_r1993_OchrPiS-Pierzgalski-135-143.pdf},
 keywords={river valleys},
}