@ARTICLE{Kaca_Edmund_Methodology_2017,
 author={Kaca, Edmund},
 number={No 35},
 journal={Journal of Water and Land Development},
 howpublished={online},
 year={2017},
 publisher={Polish Academy of Sciences; Institute of Technology and Life Sciences - National Research Institute},
 title={Methodology of assessing the relative environmental validity of developing drainage and irrigation on a regional scale},
 URL={http://www.czasopisma.pan.pl/Content/102243/PDF/12%20Kaca.pdf},
}