@ARTICLE{Sapek_Barbara_Calcium_2013,
 author={Sapek, Barbara},
 number={No 18},
 journal={Journal of Water and Land Development},
 howpublished={online},
 year={2013},
 publisher={Polish Academy of Sciences; Institute of Technology and Life Sciences - National Research Institute},
 title={Calcium and magnesium uptake with the yield of meadow vegetation in relation to their content in atmospheric precipitation, ground water and soil solution / Pobranie wapnia i magnezu z plonem roślinności łąkowej na tle ich zawartości w opadzie atmosferycznym, wodzie gruntowej i roztworze glebowym},
 URL={http://ochroma.man.poznan.pl/Content/90037/mainfile.pdf},
}