@Article{225030,
     author = "",
     title = ""Woprosy Istorii Jestiestwoznanija i Tiechniki", 1969, z. 28 ",
     year =  1970,
     volume =  15,
     number =  3,
     journal =  Kwartalnik Historii Nauki i Techniki,
     pages =  s. 644,
    }