@article{sienkiewicz_żarczyński_krzebietke_2011, 
  title={Effect of land use of fields excluded from cultivation on soil content of available nutrients}, 
  DOI={10.5601/jelem.2011.16.1.75-84}, 
  number={1/2011}, 
  publisher={Polish Society for Magnesium Research}, 
  author={Sienkiewicz and Żarczyński and Krzebietke}, 
  year={2011}, 
  month={Jan}
  }