@book{cbdu5110,
          number = {511},
           title = {Pie{\'s}{\'n} o obl{\k e}{\.z}eniu Jasnej G{\'o}ry Cz{\k e}stochowskiej},
         address = {[B. m. dr.]},
        abstract = {Zawiera te{\.z}: ?PIESN O NASWIETSZEY PANNIE MARYEY?},
             url = {http://cbdu.ijppan.pl/id/eprint/5110/}
}