@misc{Sielanko_Juliusz_(1938-_)._Ion,
 author={Sielanko, Juliusz (1938- ). and Sowa, Marek (1944- ).},
 howpublished={online},
 publisher={UMCS},
 language={eng},
 type={artykuł},
 title={Ion source with radiofrequency mass filter for sputtering purposes},
 keywords={fizyka},
}