@article{KaufmannHolwegWahletal.2011,
  author    = {Christian Kaufmann and Gerd Holweg and Harald Wahl and Peter Balog and Alexander Mense},
  title     = {Privacy in Web 2.0 Learning: Experiences with the Acceptance of Working Professional Students},
  journal   = {Ubiquitous Learning: An International Journal},
  number    = {Vol 4, Issue 4},
  pages     = {25 -- 40},
  year      = {2011},
}