@ARTICLE{Rach_Valentin_Temporal_2014,
 author={Rach, Valentin and Masaud Sultan},
 number={No 2},
 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={Temporal evaluation criteria of project-oriented socio-economicand technical systems development},
}