@misc{_Spis_1977,
 volume={20},
 number={4},
 copyright={Rights Reserved - Free Access},
 address={Warszawa},
 journal={Electronic Materials},
 howpublished={online},
 year={1977},
 publisher={Wydaw. Przemysłu Maszynowego "WEMA"},
 language={pol},
 type={Text},
 title={Spis treści 1977 nr 4(20) = Contents 1977 nr 4(20)},
 URL={http://www.rcin.org.pl/Content/20622/PDF/WA901_13210_M1_r1977-z4-20_Mater-Elektron-Spis_i.pdf},
 keywords={Electronic - journal - materials, Electronic - materials},
}