@ARTICLE{Szymczak_T._Variations_2012,
 author={Szymczak, T. and Kowalewski, Z.},
 number={No 1 March},
 howpublished={online},
 year={2012},
 publisher={Institute of Metallurgy and Materials Science of Polish Academy of Sciences},
 publisher={Commitee on Metallurgy of Polish Academy of Sciences},
 title={Variations of Mechanical Parameters and Strain Energy Dissipated During Tension-Torsion Loading},
 URL={http://journals.pan.pl/Content/86173/PDF/10172+Volume+57+Issue+1-22+paper.pdf.pdf},
 doi={10.2478/v10172-012-0009-4},
}