@article{LischeidKalettka2012,
  author    = {Gunnar Lischeid and Thomas Kalettka},
  title     = {Grasping the heterogeneity of kettle hole water quality in Northeast Germany},
  journal   = {Hydrobiologia : acta hydrobiologica, hydrographica, limnologica et protistologica},
  volume    = {689},
  number    = {1},
  pages     = {63 -- 77},
  doi       = {10.1007/s10750-011-0764-7},
  year      = {2012},
}