@book{MeinelWillems2014,
  author    = {Christoph Meinel and Christian Willems},
  title     = {openHPI : 哈索•普拉特纳研究院的 MOOC（大规模公开在线课）计划},
  number    = {89},
  isbn      = {978-3-86956-291-9},
  year      = {2014},
}