@Article{276159,
     author = "Jerzy Drewnowski",
     title = "Cyrkularz Ad palatinos, castellanos, canonicos etc. (Rzekomy autograf Kopernika) ",
     year =  1970,
     volume =  15,
     number =  4,
     journal =  Kwartalnik Historii Nauki i Techniki,
     pages =  s. 739-742,
    }