@misc{Pietraszewski_Edward_Filtry_1991,
 author={Pietraszewski Edward},
 volume={76},
 editor={Dobosz Jerzy},
 number={4},
 copyright={Rights Reserved - Free Access},
 address={Warszawa},
 journal={Electronic Materials},
 howpublished={online},
 year={1991},
 publisher={Wydaw. Przemysłu Maszynowego "WEMA"},
 language={pol},
 type={Text},
 title={Filtry płetwowe w pasmach X i Q = The e-plane filters in X and Q bands},
 URL={http://rcin.org.pl/Content/11834/PDF/WA901_14122_M1_r1991-z4-76_Mater-Elektroniczne_Pietraszewski_i.pdf},
 keywords={Electronic - materials, Electronic - journal - materials, e-plane filter, X and Q band},
}