@misc{Perzyna_P._Modified_1980,
 author={Perzyna, P.},
 volume={32},
 number={3},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa},
 journal={Archives of Mechanics},
 howpublished={online},
 year={1980},
 publisher={Polish Scientific Publishers IFTR},
 language={eng},
 language={pol},
 language={rus},
 title={Modified theory of viscoplasticity. Application to advanced flow and instability phenomena},
 type={Text},
 URL={http://rcin.org.pl/Content/74782/PDF/WA727_89696_P.262a-Perzyna-Modified.pdf},
 keywords={Mechanika stosowana - czasopisma [KABA]},
}