@misc{Krawczak_Maciej_Developments_2010,
 author={Krawczak, Maciej and Szmidt, Eulalia and Kacprzyk, Janusz (1947– ) and Zadrożny, Sławomir and Atanassov, Krassimir Todorov (1954– ) and Baczyński, Michał Krzysztof and Drewniak, Józef and Wygralak, Maciej},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa},
 journal={Książka = Book},
 howpublished={online},
 year={2010},
 publisher={Instytut Badań Systemowych. Polska Akademia Nauk},
 publisher={Systems Research Institute. Polish Academy of Sciences},
 language={eng},
 type={Text},
 title={Developments in fuzzy sets, intuitionistic fuzzy sets, generalized nets and related topics. Volume I: Foundations * Foreword},
 URL={http://www.rcin.org.pl/Content/198468/PDF/KS-2010-05-W.pdf},
}