@Article{161901,
     author = "",
     title = ""O Mazurach", Wojciech Kętrzyński, Olsztyn 1968 : [recenzja] ",
     year =  1969,
     volume =  14,
     number =  1,
     journal =  Kwartalnik Historii Nauki i Techniki,
     pages =  s. 155,
    }