@misc{Sokół_Krzysztof_On,
 author={Sokół Krzysztof},
 howpublished={online},
 publisher={Wydawnictwo Politechniki Częstochowskiej},
 language={eng},
 type={artykuł},
 title={On Influence Of Concentrated Mass On Intsability And Vibration Of A Column Subjected To Euler's Load},
 keywords={drgania, Euler's load, vibration of column},
}