@article{SchefflerSchueler2009,
  author    = {Christiane Scheffler and Grit Sch{\"u}ler},
  title     = {Analysis of BMI of preschool children : results of longitudinal studies},
  doi       = {10.1127/0003-5548/2009/0007},
  url       = {http://www.ingentaconnect.com/content/schweiz/aa},
  year      = {2009},
}