@ARTICLE{Prokopowicz_Jerzy_Productive_2011,
 author={Prokopowicz, Jerzy and Jankowska-Huflejt, Halina},
 number={No 15},
 journal={Journal of Water and Land Development},
 howpublished={online},
 year={2011},
 publisher={Polish Academy of Sciences; Institute of Technology and Life Sciences - National Research Institute},
 title={Productive and economic factors affecting the development of mountain meadow organic farms in the years 2004-2009 Produkcyjne i ekonomiczne czynniki rozwoju górskich łąkarskich gospodarstw ekologicznych w latach 2004-2009},
 URL={http://www.journals.pan.pl/Content/89942/mainfile.pdf},
}