@misc{Hillbricht-Ilkowska_Anna_Humic_1998,
 author={Hillbricht-Ilkowska, Anna},
 volume={46},
 editor={Polish Academy of Sciences. Institute of Ecology},
 number={4},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Polish Journal of Ecology},
 address={Dziekanów Leśny},
 howpublished={online},
 year={1998},
 publisher={Polish Academy of Sciences. Institute of Ecology. Publishing Office},
 language={eng},
 title={Humic lakes: functioning, protection, endangering, recovery},
 type={Text},
 URL={http://rcin.org.pl./Content/98290/PDF/WA058_90715_P2840-T46_Eko-Pol-A-Nr-4.pdf},
 keywords={humic lake, liming, long term changes, biodiversity, food-web},
}