@misc{,
 copyright={Public Domain},
 howpublished={online},
 language={pol},
 type={Text},
 URL={http://www.rcin.org.pl/Content/56946/PDF/WA488_12997_P1571_R6-1913-Spr-Rocz-TNW.pdf},
 keywords={Towarzystwo Naukowe Warszawskie, Polish scientific periodicals - 20 c.},
}