@article{30,
  author = {Kim Holmberg and Isto Huvila},
  title = {Learning together apart: Distance education in a virtual world},
  year = {2008},
  journal = {First Monday},
  volume = {13},
  number = {10},
  url = {http://journals.uic.edu/fm/article/view/2178/2033},
  language = {eng},
}