@Article{30925,
     author = "Hieronim Grala",
     title = ""Aristocrats and servitors. The boyar elite in Russia 1613-1689", Robert O. Crummey, Princeton 1983 : [recenzja] ",
     year =  1985,
     volume =  76,
     number =  4,
     journal =  Przegląd Historyczny,
     pages =  s. 924-925,
    }