@misc{Kaliszewski_Ignacy_(1949–_)_Multiple_2007,
 author={Kaliszewski, Ignacy (1949– )},
 copyright={Licencja Creative Commons Uznanie autorstwa 4.0},
 journal={Raport Badawczy = Research Report},
 address={Warszawa},
 howpublished={online},
 year={2007},
 publisher={Instytut Badań Systemowych. Polska Akademia Nauk},
 publisher={Systems Research Institute. Polish Academy of Sciences},
 language={eng},
 abstract={Preface},
 type={Tekst},
 title={Multiple criteria decision making refinements: Models and methodologies. Preface},
 URL={http://rcin.org.pl/Content/217464/PDF/RB-2007-86.pdf},
}