@unpublished{LuckeSteinmetz2014,
  author    = {Lucke, Ulrike and Steinmetz, Ralf},
  title     = {Special issue on "Pervasive Education"},
  series = {Pervasive and mobile computing},
  volume    = {14},
  journal   = {Pervasive and mobile computing},
  publisher = {Elsevier},
  address   = {Amsterdam},
  issn      = {1574-1192},
  doi       = {10.1016/j.pmcj.2014.08.001},
  pages     = {1 -- 2},
  year      = {2014},
  language  = {en}
}