@Article{539101,
     author = "Edmund Lorencowicz, Milan Koszel, Slawomir Kocira, Jacek Uziak",
     title = "Student Use of Mobile Devices in University Classes",
     year =  2016,
     volume =  ,
     number =  2(16),
     journal =  Edukacja - Technika - Informatyka,
     pages =  s. 206-219,
    }