@misc{Betten_J._Multiaxial_1989,
 author={Betten, J. and Waniewski, M.},
 volume={41},
 number={5},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa},
 journal={Archives of Mechanics},
 howpublished={online},
 year={1989},
 publisher={Polish Scientific Publishers IFTR},
 language={eng},
 title={Multiaxial secondary creep behaviour of anisotropic materials},
 type={Text},
 URL={http://www.rcin.org.pl/Content/78284/PDF/WA727_18055_41-5-1989_AMS_Betten-06.pdf},
 keywords={Mechanika stosowana - czasopisma [KABA]},
}