@book{cbdu17400,
          number = {1740},
           title = {A true report of the taking of the town and castell of Polotzko by the king of Poland},
         address = {[London]},
        abstract = {Relacja o zdobyciu przez Stefana Batorego Po{\l}ocka.},
             url = {http://cbdu.ijppan.pl/id/eprint/17400/}
}