@misc{Szwałek_Kacper_Characteristics,
 author={Szwałek, Kacper and Nadolny, Krzysztof},
 address={Koszalin},
 howpublished={online},
 publisher={Publishing House of the Koszalin University of Technology},
 language={eng},
 type={artykuł w czasopiśmie},
 title={Characteristics of tools used in the friction drilling method},
 keywords={friction drilling, thermdrill, thin-walled materials, tool durability},
}