@misc{Spychalski_Grzegorz_Modelling_1994,
 author={Spychalski, Grzegorz},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa},
 journal={Książka = Book},
 howpublished={online},
 year={1994},
 publisher={Instytut Badań Systemowych. Polska Akademia Nauk},
 publisher={Systems Research Institute. Polish Academy of Sciences},
 language={eng},
 type={Text},
 title={Modelling of economy in specially protected regions : proceedings of international conference held on 9-11 june in drawn * Environment protection policy in poland},
 URL={http://rcin.org.pl/Content/217616/PDF/KS-1994-01-P20.pdf},
}