@article{MetzgerKonradBlendingeretal.2018,
  author    = {Michael Metzger and Alexander Konrad and Felix Blendinger and Andreas Modler and Alfred Meixner and Volker Bucher and Marc Brecht},
  title     = {Low-cost GRIN-lens-based nephelometric turbidity sensing in the range of 0.1–1000 NTU},
  journal   = {Sensors},
  volume    = {18},
  number    = {4},
  pages     = {1 -- 9},
  doi       = {10.3390/s18041115},
  year        = {2018},
}