@article{RuehlmannBuecheleOstermannetal.2018,
  author    = {Madlen R{\"u}hlmann and Dominique B{\"u}chele and Markus Ostermann and Ilko Bald and Thomas Schmid},
  title     = {Challenges in the quantification of nutrients in soils using laser-induced breakdown spectroscopy},
  journal   = {Spectrochimica Acta Part B: Atomic Spectroscopy},
  series    = {a case study with calcium},
  volume    = {146},
  pages     = {115 -- 121},
  doi       = {10.1016/j.sab.2018.05.003},
  year      = {2018},
}