@article{BruegmannKrauseBrachertetal.2012,
  author    = {Gerhard Br{\"u}gmann and Joachim Krause and Thomas C. Brachert and Brigitte Stoll and Ulrike Weis and Ottmar Kullmer and Immaculate Ssemmanda and Dieter F. Mertz},
  title     = {Chemical composition of modern and fossil hippopotamid teeth and implications for paleoenvironmental reconstructions and enamel formation : part 2, alkaline earth elements as tracers of watershed hydrochemistry and provenance},
  journal   = {Biogeosciences},
  volume    = {9},
  number    = {11},
  pages     = {4803 -- 4817},
  doi       = {10.5194/bg-9-4803-2012},
  year      = {2012},
}