@ARTICLE{Ryabicheva_Lyudmila_The_2013,
 author={Ryabicheva, Lyudmila and Beloshitskij, Nikolaj and Usatyuk, Dmytro and Negrej, Yurij},
 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={The influenceof direct extrusion parameters of porous powder billets on the quality of products},
}