@article{LehmannSchefflerHermanussen2010,
  author    = {Andreas Lehmann and Christiane Scheffler and Michael Hermanussen},
  title     = {The variation in age at menarche : an indicator of historic developmental tempo},
  doi       = {10.1127/0003-5548/2010/0086},
  url       = {http://www.ingentaconnect.com/content/schweiz/aa},
  year      = {2010},
}