@article{Cieśla_M._Low-cycle_2011,
 author={Cieśla, M. and Junak, G.},
 volume={Vol. 48},
 number={(1) March},
 howpublished={online},
 journal={Archives of Materials Science and Engineering},
 year={2011},
 publisher={Polish Academy of Sciences},
 title={Low-cycle fatigue of P91 and P92 steels used in the power engineering industry},
}