@misc{Lewkowicz_Stanisław_Niektóre_1967,
 author={Lewkowicz, Stanisław},
 volume={Vol. 9},
 number={1-2},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Acta Hydrobiologica},
 howpublished={online},
 year={1967},
 publisher={Laboratory of Water Biology of the Polish Academy of Sciences},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 type={Text},
 title={Niektóre mikroelementy w glebach stawowych},
 title={Some trace elements in pond soils},
 URL={http://www.rcin.org.pl/Content/180424/PDF/KR038_193458_r1967-t9-no1-2_AH-Lewkowicz-129-136.pdf},
}