@ARTICLE{Rach_Denis_NPV_2014,
 author={Rach, Denis},
 number={No 1},
 journal={Teka Commission of Motorization and Power Industry in Agriculture},
 howpublished={online},
 year={2014},
 publisher={The Lublin Branch of the Polish Academy of Sciences},
 title={NPV simulation as a way to reduce uncertainty in the project},
}