@article{KlemmVennemann2020,
  author    = {Christian Klemm and Peter Vennemann},
  title     = {Modeling and optimization of multi-energy systems in mixed-use districts: A review of existing methods and approaches},
  journal   = {Renewable and Sustainable Energy Reviews},
  number    = {135},
  pages     = {nn -- nn},
  doi       = {10.1016/j.rser.2020.110206},
  year      = {2020},
}