@misc{Orabi_I._I._Horizontal-vertical_1987,
 author={Orabi, I. I. and Ahmadi, G.},
 volume={39},
 number={6},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa},
 journal={Archives of Mechanics},
 howpublished={online},
 year={1987},
 publisher={Polish Scientific Publishers IFTR},
 language={eng},
 type={Text},
 title={Horizontal-vertical response spectra for El centro 1940 earthquake},
 URL={http://rcin.org.pl/Content/87436/PDF/WA727_18065_39-6-1987_AMS_Orabi-04.pdf},
 keywords={Mechanika stosowana - czasopisma [KABA]},
}