@article{BaabSchmitzEiberger2009,
  author    = {Gerhard Baab and Michaela Schmitz-Eiberger},
  title     = {The nutrient element calcium},
  series   = {European Food Magazin},
  volume    = {6},
  pages     = {10 -- 12},
  year      = {2009},
  language  = {en}
}