@ARTICLE{Boyko_Grigoriy_Advanced_2013,
 author={Boyko, Grigoriy},
 number={No 4},
 journal={Teka Commission of Motorization and Power Industry in Agriculture},
 howpublished={online},
 year={2013},
 publisher={The Lublin Branch of the Polish Academy of Sciences},
 title={Advanced methodology of assessment of technical state of overhead type cranes},
}