@misc{Kaliszewski_Ignacy_(1949–_)_Multiple_2004, author={Kaliszewski, Ignacy (1949– )}, copyright={Creative Commons Attribution BY 4.0 license}, journal={Raport Badawczy = Research Report}, address={Warszawa}, howpublished={online}, year={2004}, publisher={Instytut Badań Systemowych. Polska Akademia Nauk}, publisher={Systems Research Institute. Polish Academy of Sciences}, language={eng}, abstract={Preface}, type={Text}, title={Multiple criteria methodologies for tackling hard decision making problems. Preface}, URL={http://rcin.org.pl./Content/217424/PDF/RB-2004-77.pdf}, }