@misc{Kaliszewski_Ignacy_(1949–_)_Preface._2002,
 author={Kaliszewski, Ignacy (1949– )},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa},
 journal={Raport Badawczy = Research Report},
 howpublished={online},
 year={2002},
 publisher={Instytut Badań Systemowych. Polska Akademia Nauk},
 publisher={Systems Research Institute. Polish Academy of Sciences},
 language={eng},
 title={Preface.},
 type={Text},
 URL={http://rcin.org.pl/Content/217393/PDF/RB-2002-89.pdf},
}