@article{MottaghyDijkshoorn2015,
  author    = {Darius Mottaghy and Lydia Dijkshoorn},
  title     = {Implementing an effective finite difference formulation for borehole heat exchangers into a heat and mass transport code},
  journal   = {Renewable Energy},
  volume    = {45},
  pages     = {59 -- 71},
  doi       = {10.1016/j.renene.2012.02.013},
  year      = {2015},
}