@misc{Angryk_Rafał_New_2013,
 author={Angryk, Rafał and Czerniak, Jacek},
 copyright={Creative Commons Attribution BY 4.0 license},
 journal={Książka = Book},
 address={Warszawa},
 howpublished={online},
 year={2013},
 publisher={Instytut Badań Systemowych. Polska Akademia Nauk},
 publisher={Systems Research Institute. Polish Academy of Sciences},
 language={eng},
 type={Text},
 title={New trends in fuzzy sets, intuitionistic fuzzy sets, generalized nets and related topics. volume ii: applications * Proposed multi-criterion optimisation method of school timetabling problem},
 URL={http://rcin.org.pl/Content/217822/PDF/KS-2013-07-T2P04.pdf},
}