@misc{Holzer_Jerzy_Social_1998,
 author={Holzer, Jerzy and Kotowska, Irena},
 copyright={Creative Commons Attribution BY 4.0 license},
 journal={Książka = Book},
 address={Warszawa},
 howpublished={online},
 year={1998},
 publisher={Instytut Badań Systemowych. Polska Akademia Nauk},
 publisher={Systems Research Institute. Polish Academy of Sciences},
 language={eng},
 type={Text},
 title={Social security reform : proceedings of the International Workshop Warsaw on 23-24 September, 1997 * The outline of the polish case * Demographic background for the social security reform},
 URL={http://rcin.org.pl/ibsys/Content/206619/PDF/KS-1998-01-R03P02.pdf},
}