@misc{Holnicki-Szulc_Jan_(1945–_)_Optimal_1987,
 author={Holnicki-Szulc, Jan (1945– )},
 copyright={Rights Reserved - Free Access},
 address={Warszawa},
 journal={Prace IPPT IFTR REPORTS},
 howpublished={online},
 year={1987},
 publisher={Instytut Podstawowych Problemów Techniki Polskiej Akademii Nauk},
 language={eng},
 type={Text},
 title={Optimal strategy of avoiding resonance},
 URL={http://rcin.org.pl/Content/5480/PDF/WA727_8199_56827-33-1987_Optimal-strategy.pdf},
 keywords={Pręty i druty sprężyste [KABA], Dźwigary},
}