@Article{273270,
     author = "Janusz Firlet, Stanisław Kozieł",
     title = "Ujazd, pow. Opatów. Zamek Krzyżtopór ",
     year =  1973,
     volume =  7,
     number =  ,
     journal =  Informator Archeologiczny : badania,
     pages =  s. 295,
    }