@article{KappelLehmannLoeper2010,
  author    = {Hans-Henning Kappel and Burkhard Lehmann and Joachim Loeper},
  title     = {Distance education at conventional universities in Germany},
  journal   = {The International Review of Research in Open and Distance Learning},
  volume    = {2},
  number    = {2},
  year      = {2010},
}