@article{garennezwang2004,
  author  = {Garenne, M. & Zwang, J.},
  journal = {Southern African Journal of Demography},
  number  = {1},
  pages   = {27-48},
  title   = {Social Change and Premarital Fertility in Madagascar},
  url     = {http://www.jstor.org/stable/20853262},
  volume  = {9},
  year    = {2004}
}