@article{DierkesLuckeHelmreich2015,
  author    = {Carsten Dierkes and Terry Lucke and Brigitte Helmreich},
  title     = {General technical approvals for decentralised sustainable urban drainage systems (SUDS) : the current situation in Germany},
  journal   = {Sustainability},
  volume    = {7},
  number    = {3},
  pages     = {3031 -- 3051},
  doi       = {10.3390/su7033031},
  year      = {2015},
}