@misc{UhlHellberg2017,
  author    = {Uhl, M. and Hellberg, B.},
  title     = {Hydrological Performance of combined Raintanks. In: Proceedings of the 14th IWA/IAHR International Conference on Urban Drainage, Prague, Czech Republic, pp. 1108-1111},
  year      = {2017},
  language  = {en}
}
@article{UhlHellberg2010,
  author    = {Uhl, M. and Hellberg, B.},
  title     = {Simplified Design Approach to Size Rainwater Harvesting Tanks Based on One Hydrological Parameter},
  series = {Water},
  volume    = {164},
  journal   = {Water},
  pages     = {35 -- 37},
  year      = {2010},
  language  = {mul}
}