@Article{498405,
     author = "Bruno S. Sergi",
     title = "Information Technology and Productivity - Some Lessons for Europe ",
     year =  2008,
     volume =  3,
     number =  ,
     journal =  Studia i Prace Wydziału Nauk Ekonomicznych i Zarządzania,
     pages =  s. 59-68,
    }