@Article{497569,
     author = "Kishor Patil, Ramjee Prasad, Knud Erik Skouby",
     title = "Frequency usage and digital dividend in India",
     year =  2013,
     volume =  ,
     number =  104,
     journal =  Ekonomiczne Problemy Usług,
     pages =  s. 537-553,
    }