@misc{Wierzbicki_T._A_1972,
 author={Wierzbicki, T.},
 volume={24},
 number={4},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa},
 journal={Archives of Mechanics},
 howpublished={online},
 year={1972},
 publisher={Polish Scientific Publishers IFTR},
 language={eng},
 language={pol},
 language={rus},
 title={A new approach to the mode approximation or impulsively loaded rigid-plastic structures},
 type={Text},
 URL={http://rcin.org.pl/ippt/Content/203944/PDF/WA727_131629_P.262-Wierzbicki-New.pdf},
 keywords={Mechanika stosowana - czasopisma [KABA]},
}